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Finding the Third Proportional to 13,446 and 19,771

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Solution

The third proportional to 13,446 and 19,771 is: 29,071.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446 : 19,771 = 19,771 : x
  2. Step 2: Convert to fraction form
    13,446/19,771 = 19,771/x
  3. Step 3: Cross multiply
    13,446x = 19,771 × 19,771
  4. Step 4: Simplify right side
    13,446x = 390,892,441
  5. Step 5: Solve for x
    x = 390,892,441/13,446
  6. Step 6: Final answer
    x = 29,071.28

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.