Home / 778,861-1,682,282

Finding the Third Proportional to 778,861 and 1,682,282

Calculator

Solution

The third proportional to 778,861 and 1,682,282 is: 3,633,604.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,861 : 1,682,282 = 1,682,282 : x
  2. Step 2: Convert to fraction form
    778,861/1,682,282 = 1,682,282/x
  3. Step 3: Cross multiply
    778,861x = 1,682,282 × 1,682,282
  4. Step 4: Simplify right side
    778,861x = 2,830,072,727,524
  5. Step 5: Solve for x
    x = 2,830,072,727,524/778,861
  6. Step 6: Final answer
    x = 3,633,604.36

Related Problems

Find third proportional to 389,430.50 and 841,141
Half scale
Find third proportional to 1,557,722 and 3,364,564
Double scale
Find third proportional to 778,863 and 1,682,286
Similar ratio
Find third proportional to 1,168,291.50 and 2,523,423
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.