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Finding the Third Proportional to 62,709 and 135,644

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Solution

The third proportional to 62,709 and 135,644 is: 293,407.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,709 : 135,644 = 135,644 : x
  2. Step 2: Convert to fraction form
    62,709/135,644 = 135,644/x
  3. Step 3: Cross multiply
    62,709x = 135,644 × 135,644
  4. Step 4: Simplify right side
    62,709x = 18,399,294,736
  5. Step 5: Solve for x
    x = 18,399,294,736/62,709
  6. Step 6: Final answer
    x = 293,407.56

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.