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Finding the Third Proportional to 19,864 and 29,136

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Solution

The third proportional to 19,864 and 29,136 is: 42,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864 : 29,136 = 29,136 : x
  2. Step 2: Convert to fraction form
    19,864/29,136 = 29,136/x
  3. Step 3: Cross multiply
    19,864x = 29,136 × 29,136
  4. Step 4: Simplify right side
    19,864x = 848,906,496
  5. Step 5: Solve for x
    x = 848,906,496/19,864
  6. Step 6: Final answer
    x = 42,735.93

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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.