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Finding the Third Proportional to 157,998.38 and 338,140.13

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Solution

The third proportional to 157,998.38 and 338,140.13 is: 723,670.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,998.38 : 338,140.13 = 338,140.13 : x
  2. Step 2: Convert to fraction form
    157,998.38/338,140.13 = 338,140.13/x
  3. Step 3: Cross multiply
    157,998.38x = 338,140.13 × 338,140.13
  4. Step 4: Simplify right side
    157,998.38x = 114,338,744,135.02
  5. Step 5: Solve for x
    x = 114,338,744,135.02/157,998.38
  6. Step 6: Final answer
    x = 723,670.38

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.