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Finding the Third Proportional to 63,552 and 135,840

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Solution

The third proportional to 63,552 and 135,840 is: 290,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,552 : 135,840 = 135,840 : x
  2. Step 2: Convert to fraction form
    63,552/135,840 = 135,840/x
  3. Step 3: Cross multiply
    63,552x = 135,840 × 135,840
  4. Step 4: Simplify right side
    63,552x = 18,452,505,600
  5. Step 5: Solve for x
    x = 18,452,505,600/63,552
  6. Step 6: Final answer
    x = 290,352.87

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.