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Finding the Third Proportional to 19,728 and 29,304

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Solution

The third proportional to 19,728 and 29,304 is: 43,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728 : 29,304 = 29,304 : x
  2. Step 2: Convert to fraction form
    19,728/29,304 = 29,304/x
  3. Step 3: Cross multiply
    19,728x = 29,304 × 29,304
  4. Step 4: Simplify right side
    19,728x = 858,724,416
  5. Step 5: Solve for x
    x = 858,724,416/19,728
  6. Step 6: Final answer
    x = 43,528.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.