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Finding the Third Proportional to 90,487.13 and 127,597.78

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Solution

The third proportional to 90,487.13 and 127,597.78 is: 179,928.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,487.13 : 127,597.78 = 127,597.78 : x
  2. Step 2: Convert to fraction form
    90,487.13/127,597.78 = 127,597.78/x
  3. Step 3: Cross multiply
    90,487.13x = 127,597.78 × 127,597.78
  4. Step 4: Simplify right side
    90,487.13x = 16,281,193,779.92
  5. Step 5: Solve for x
    x = 16,281,193,779.92/90,487.13
  6. Step 6: Final answer
    x = 179,928.29

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.