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Finding the Third Proportional to 29,240 and 63,448

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Solution

The third proportional to 29,240 and 63,448 is: 137,676.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,240 : 63,448 = 63,448 : x
  2. Step 2: Convert to fraction form
    29,240/63,448 = 63,448/x
  3. Step 3: Cross multiply
    29,240x = 63,448 × 63,448
  4. Step 4: Simplify right side
    29,240x = 4,025,648,704
  5. Step 5: Solve for x
    x = 4,025,648,704/29,240
  6. Step 6: Final answer
    x = 137,676.08

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.