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Finding the Third Proportional to 366,970 and 516,770

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Solution

The third proportional to 366,970 and 516,770 is: 727,719.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,970 : 516,770 = 516,770 : x
  2. Step 2: Convert to fraction form
    366,970/516,770 = 516,770/x
  3. Step 3: Cross multiply
    366,970x = 516,770 × 516,770
  4. Step 4: Simplify right side
    366,970x = 267,051,232,900
  5. Step 5: Solve for x
    x = 267,051,232,900/366,970
  6. Step 6: Final answer
    x = 727,719.52

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.