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Finding the Third Proportional to 29,689.50 and 62,872.50

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Solution

The third proportional to 29,689.50 and 62,872.50 is: 133,143.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,689.50 : 62,872.50 = 62,872.50 : x
  2. Step 2: Convert to fraction form
    29,689.50/62,872.50 = 62,872.50/x
  3. Step 3: Cross multiply
    29,689.50x = 62,872.50 × 62,872.50
  4. Step 4: Simplify right side
    29,689.50x = 3,952,951,256.25
  5. Step 5: Solve for x
    x = 3,952,951,256.25/29,689.50
  6. Step 6: Final answer
    x = 133,143.07

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.