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Finding the Third Proportional to 66,388.13 and 101,517.75

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Solution

The third proportional to 66,388.13 and 101,517.75 is: 155,236.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,388.13 : 101,517.75 = 101,517.75 : x
  2. Step 2: Convert to fraction form
    66,388.13/101,517.75 = 101,517.75/x
  3. Step 3: Cross multiply
    66,388.13x = 101,517.75 × 101,517.75
  4. Step 4: Simplify right side
    66,388.13x = 10,305,853,565.06
  5. Step 5: Solve for x
    x = 10,305,853,565.06/66,388.13
  6. Step 6: Final answer
    x = 155,236.40

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.