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Finding the Third Proportional to 13,643 and 29,372

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Solution

The third proportional to 13,643 and 29,372 is: 63,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,643 : 29,372 = 29,372 : x
  2. Step 2: Convert to fraction form
    13,643/29,372 = 29,372/x
  3. Step 3: Cross multiply
    13,643x = 29,372 × 29,372
  4. Step 4: Simplify right side
    13,643x = 862,714,384
  5. Step 5: Solve for x
    x = 862,714,384/13,643
  6. Step 6: Final answer
    x = 63,234.95

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.