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Finding the Third Proportional to 72,588 and 98,512

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Solution

The third proportional to 72,588 and 98,512 is: 133,694.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,588 : 98,512 = 98,512 : x
  2. Step 2: Convert to fraction form
    72,588/98,512 = 98,512/x
  3. Step 3: Cross multiply
    72,588x = 98,512 × 98,512
  4. Step 4: Simplify right side
    72,588x = 9,704,614,144
  5. Step 5: Solve for x
    x = 9,704,614,144/72,588
  6. Step 6: Final answer
    x = 133,694.47

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.