Home / 455,680-683,296

Finding the Third Proportional to 455,680 and 683,296

Calculator

Solution

The third proportional to 455,680 and 683,296 is: 1,024,608.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,680 : 683,296 = 683,296 : x
  2. Step 2: Convert to fraction form
    455,680/683,296 = 683,296/x
  3. Step 3: Cross multiply
    455,680x = 683,296 × 683,296
  4. Step 4: Simplify right side
    455,680x = 466,893,423,616
  5. Step 5: Solve for x
    x = 466,893,423,616/455,680
  6. Step 6: Final answer
    x = 1,024,608.11

Related Problems

Find third proportional to 227,840 and 341,648
Half scale
Find third proportional to 911,360 and 1,366,592
Double scale
Find third proportional to 455,682 and 683,299
Similar ratio
Find third proportional to 683,520 and 1,024,944
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.