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Finding the Third Proportional to 63,905.20 and 134,418.87

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Solution

The third proportional to 63,905.20 and 134,418.87 is: 282,738.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,905.20 : 134,418.87 = 134,418.87 : x
  2. Step 2: Convert to fraction form
    63,905.20/134,418.87 = 134,418.87/x
  3. Step 3: Cross multiply
    63,905.20x = 134,418.87 × 134,418.87
  4. Step 4: Simplify right side
    63,905.20x = 18,068,431,855.97
  5. Step 5: Solve for x
    x = 18,068,431,855.97/63,905.20
  6. Step 6: Final answer
    x = 282,738.04

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.