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Finding the Third Proportional to 38,862 and 63,616

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Solution

The third proportional to 38,862 and 63,616 is: 104,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,862 : 63,616 = 63,616 : x
  2. Step 2: Convert to fraction form
    38,862/63,616 = 63,616/x
  3. Step 3: Cross multiply
    38,862x = 63,616 × 63,616
  4. Step 4: Simplify right side
    38,862x = 4,046,995,456
  5. Step 5: Solve for x
    x = 4,046,995,456/38,862
  6. Step 6: Final answer
    x = 104,137.60

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.