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Finding the Third Proportional to 74,145.38 and 158,132.25

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Solution

The third proportional to 74,145.38 and 158,132.25 is: 337,253.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,145.38 : 158,132.25 = 158,132.25 : x
  2. Step 2: Convert to fraction form
    74,145.38/158,132.25 = 158,132.25/x
  3. Step 3: Cross multiply
    74,145.38x = 158,132.25 × 158,132.25
  4. Step 4: Simplify right side
    74,145.38x = 25,005,808,490.06
  5. Step 5: Solve for x
    x = 25,005,808,490.06/74,145.38
  6. Step 6: Final answer
    x = 337,253.79

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.