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Finding the Third Proportional to 20,107.50 and 29,575.88

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Solution

The third proportional to 20,107.50 and 29,575.88 is: 43,502.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,107.50 : 29,575.88 = 29,575.88 : x
  2. Step 2: Convert to fraction form
    20,107.50/29,575.88 = 29,575.88/x
  3. Step 3: Cross multiply
    20,107.50x = 29,575.88 × 29,575.88
  4. Step 4: Simplify right side
    20,107.50x = 874,732,382.02
  5. Step 5: Solve for x
    x = 874,732,382.02/20,107.50
  6. Step 6: Final answer
    x = 43,502.79

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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.