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Finding the Third Proportional to 71,028.38 and 153,126.75

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Solution

The third proportional to 71,028.38 and 153,126.75 is: 330,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,028.38 : 153,126.75 = 153,126.75 : x
  2. Step 2: Convert to fraction form
    71,028.38/153,126.75 = 153,126.75/x
  3. Step 3: Cross multiply
    71,028.38x = 153,126.75 × 153,126.75
  4. Step 4: Simplify right side
    71,028.38x = 23,447,801,565.56
  5. Step 5: Solve for x
    x = 23,447,801,565.56/71,028.38
  6. Step 6: Final answer
    x = 330,118.79

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.