Home / 516,339-743,670

Finding the Third Proportional to 516,339 and 743,670

Calculator

Solution

The third proportional to 516,339 and 743,670 is: 1,071,089.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,339 : 743,670 = 743,670 : x
  2. Step 2: Convert to fraction form
    516,339/743,670 = 743,670/x
  3. Step 3: Cross multiply
    516,339x = 743,670 × 743,670
  4. Step 4: Simplify right side
    516,339x = 553,045,068,900
  5. Step 5: Solve for x
    x = 553,045,068,900/516,339
  6. Step 6: Final answer
    x = 1,071,089.09

Related Problems

Find third proportional to 258,169.50 and 371,835
Half scale
Find third proportional to 1,032,678 and 1,487,340
Double scale
Find third proportional to 516,341 and 743,673
Similar ratio
Find third proportional to 774,508.50 and 1,115,505
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.