Home / 455,553,789-680,345,478

Finding the Third Proportional to 455,553,789 and 680,345,478

Calculator

Solution

The third proportional to 455,553,789 and 680,345,478 is: 1,016,059,970.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,553,789 : 680,345,478 = 680,345,478 : x
  2. Step 2: Convert to fraction form
    455,553,789/680,345,478 = 680,345,478/x
  3. Step 3: Cross multiply
    455,553,789x = 680,345,478 × 680,345,478
  4. Step 4: Simplify right side
    455,553,789x = 462,869,969,435,048,512
  5. Step 5: Solve for x
    x = 462,869,969,435,048,512/455,553,789
  6. Step 6: Final answer
    x = 1,016,059,970.55

Related Problems

Find third proportional to 227,776,894.50 and 340,172,739
Half scale
Find third proportional to 911,107,578 and 1,360,690,956
Double scale
Find third proportional to 455,553,791 and 680,345,481
Similar ratio
Find third proportional to 683,330,683.50 and 1,020,518,217
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.