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Finding the Third Proportional to 54,484 and 85,612

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Solution

The third proportional to 54,484 and 85,612 is: 134,524.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,484 : 85,612 = 85,612 : x
  2. Step 2: Convert to fraction form
    54,484/85,612 = 85,612/x
  3. Step 3: Cross multiply
    54,484x = 85,612 × 85,612
  4. Step 4: Simplify right side
    54,484x = 7,329,414,544
  5. Step 5: Solve for x
    x = 7,329,414,544/54,484
  6. Step 6: Final answer
    x = 134,524.16

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.