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Finding the Third Proportional to 90,668.25 and 127,456.88

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Solution

The third proportional to 90,668.25 and 127,456.88 is: 179,172.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,668.25 : 127,456.88 = 127,456.88 : x
  2. Step 2: Convert to fraction form
    90,668.25/127,456.88 = 127,456.88/x
  3. Step 3: Cross multiply
    90,668.25x = 127,456.88 × 127,456.88
  4. Step 4: Simplify right side
    90,668.25x = 16,245,254,984.77
  5. Step 5: Solve for x
    x = 16,245,254,984.77/90,668.25
  6. Step 6: Final answer
    x = 179,172.48

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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.