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Finding the Third Proportional to 29,372 and 63,136

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Solution

The third proportional to 29,372 and 63,136 is: 135,712.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,372 : 63,136 = 63,136 : x
  2. Step 2: Convert to fraction form
    29,372/63,136 = 63,136/x
  3. Step 3: Cross multiply
    29,372x = 63,136 × 63,136
  4. Step 4: Simplify right side
    29,372x = 3,986,154,496
  5. Step 5: Solve for x
    x = 3,986,154,496/29,372
  6. Step 6: Final answer
    x = 135,712.74

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.