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Finding the Third Proportional to 90,662 and 127,446

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Solution

The third proportional to 90,662 and 127,446 is: 179,154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,662 : 127,446 = 127,446 : x
  2. Step 2: Convert to fraction form
    90,662/127,446 = 127,446/x
  3. Step 3: Cross multiply
    90,662x = 127,446 × 127,446
  4. Step 4: Simplify right side
    90,662x = 16,242,482,916
  5. Step 5: Solve for x
    x = 16,242,482,916/90,662
  6. Step 6: Final answer
    x = 179,154.25

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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.