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Finding the Third Proportional to 20,520 and 29,304

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Solution

The third proportional to 20,520 and 29,304 is: 41,848.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,520 : 29,304 = 29,304 : x
  2. Step 2: Convert to fraction form
    20,520/29,304 = 29,304/x
  3. Step 3: Cross multiply
    20,520x = 29,304 × 29,304
  4. Step 4: Simplify right side
    20,520x = 858,724,416
  5. Step 5: Solve for x
    x = 858,724,416/20,520
  6. Step 6: Final answer
    x = 41,848.17

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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.