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Finding the Third Proportional to 13,611 and 29,382

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Solution

The third proportional to 13,611 and 29,382 is: 63,426.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611 : 29,382 = 29,382 : x
  2. Step 2: Convert to fraction form
    13,611/29,382 = 29,382/x
  3. Step 3: Cross multiply
    13,611x = 29,382 × 29,382
  4. Step 4: Simplify right side
    13,611x = 863,301,924
  5. Step 5: Solve for x
    x = 863,301,924/13,611
  6. Step 6: Final answer
    x = 63,426.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.