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Finding the Third Proportional to 57,719 and 137,554

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Solution

The third proportional to 57,719 and 137,554 is: 327,814.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,719 : 137,554 = 137,554 : x
  2. Step 2: Convert to fraction form
    57,719/137,554 = 137,554/x
  3. Step 3: Cross multiply
    57,719x = 137,554 × 137,554
  4. Step 4: Simplify right side
    57,719x = 18,921,102,916
  5. Step 5: Solve for x
    x = 18,921,102,916/57,719
  6. Step 6: Final answer
    x = 327,814.12

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.