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Finding the Third Proportional to 87,089 and 134,598

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Solution

The third proportional to 87,089 and 134,598 is: 208,024.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,089 : 134,598 = 134,598 : x
  2. Step 2: Convert to fraction form
    87,089/134,598 = 134,598/x
  3. Step 3: Cross multiply
    87,089x = 134,598 × 134,598
  4. Step 4: Simplify right side
    87,089x = 18,116,621,604
  5. Step 5: Solve for x
    x = 18,116,621,604/87,089
  6. Step 6: Final answer
    x = 208,024.22

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.