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Finding the Third Proportional to 13,662 and 29,946

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Solution

The third proportional to 13,662 and 29,946 is: 65,639.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,662 : 29,946 = 29,946 : x
  2. Step 2: Convert to fraction form
    13,662/29,946 = 29,946/x
  3. Step 3: Cross multiply
    13,662x = 29,946 × 29,946
  4. Step 4: Simplify right side
    13,662x = 896,762,916
  5. Step 5: Solve for x
    x = 896,762,916/13,662
  6. Step 6: Final answer
    x = 65,639.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.