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Finding the Third Proportional to 13,172 and 29,473

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Solution

The third proportional to 13,172 and 29,473 is: 65,947.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172 : 29,473 = 29,473 : x
  2. Step 2: Convert to fraction form
    13,172/29,473 = 29,473/x
  3. Step 3: Cross multiply
    13,172x = 29,473 × 29,473
  4. Step 4: Simplify right side
    13,172x = 868,657,729
  5. Step 5: Solve for x
    x = 868,657,729/13,172
  6. Step 6: Final answer
    x = 65,947.29

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Why These Related Problems?

These problems maintain the same ratio (2.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.