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Finding the Third Proportional to 90,656 and 127,437

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Solution

The third proportional to 90,656 and 127,437 is: 179,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,656 : 127,437 = 127,437 : x
  2. Step 2: Convert to fraction form
    90,656/127,437 = 127,437/x
  3. Step 3: Cross multiply
    90,656x = 127,437 × 127,437
  4. Step 4: Simplify right side
    90,656x = 16,240,188,969
  5. Step 5: Solve for x
    x = 16,240,188,969/90,656
  6. Step 6: Final answer
    x = 179,140.81

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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.