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Finding the Third Proportional to 75,150 and 110,487

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Solution

The third proportional to 75,150 and 110,487 is: 162,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,150 : 110,487 = 110,487 : x
  2. Step 2: Convert to fraction form
    75,150/110,487 = 110,487/x
  3. Step 3: Cross multiply
    75,150x = 110,487 × 110,487
  4. Step 4: Simplify right side
    75,150x = 12,207,377,169
  5. Step 5: Solve for x
    x = 12,207,377,169/75,150
  6. Step 6: Final answer
    x = 162,440.15

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.