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Finding the Third Proportional to 13,160 and 19,792

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Solution

The third proportional to 13,160 and 19,792 is: 29,766.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160 : 19,792 = 19,792 : x
  2. Step 2: Convert to fraction form
    13,160/19,792 = 19,792/x
  3. Step 3: Cross multiply
    13,160x = 19,792 × 19,792
  4. Step 4: Simplify right side
    13,160x = 391,723,264
  5. Step 5: Solve for x
    x = 391,723,264/13,160
  6. Step 6: Final answer
    x = 29,766.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.