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Finding the Third Proportional to 63,424 and 135,632

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Solution

The third proportional to 63,424 and 135,632 is: 290,048.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,424 : 135,632 = 135,632 : x
  2. Step 2: Convert to fraction form
    63,424/135,632 = 135,632/x
  3. Step 3: Cross multiply
    63,424x = 135,632 × 135,632
  4. Step 4: Simplify right side
    63,424x = 18,396,039,424
  5. Step 5: Solve for x
    x = 18,396,039,424/63,424
  6. Step 6: Final answer
    x = 290,048.55

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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.