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Finding the Third Proportional to 20,358 and 29,058

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Solution

The third proportional to 20,358 and 29,058 is: 41,475.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,358 : 29,058 = 29,058 : x
  2. Step 2: Convert to fraction form
    20,358/29,058 = 29,058/x
  3. Step 3: Cross multiply
    20,358x = 29,058 × 29,058
  4. Step 4: Simplify right side
    20,358x = 844,367,364
  5. Step 5: Solve for x
    x = 844,367,364/20,358
  6. Step 6: Final answer
    x = 41,475.95

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.