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Finding the Third Proportional to 13,221 and 29,058

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Solution

The third proportional to 13,221 and 29,058 is: 63,865.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,221 : 29,058 = 29,058 : x
  2. Step 2: Convert to fraction form
    13,221/29,058 = 29,058/x
  3. Step 3: Cross multiply
    13,221x = 29,058 × 29,058
  4. Step 4: Simplify right side
    13,221x = 844,367,364
  5. Step 5: Solve for x
    x = 844,367,364/13,221
  6. Step 6: Final answer
    x = 63,865.62

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.