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Finding the Third Proportional to 19,489.50 and 29,508.75

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Solution

The third proportional to 19,489.50 and 29,508.75 is: 44,678.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,489.50 : 29,508.75 = 29,508.75 : x
  2. Step 2: Convert to fraction form
    19,489.50/29,508.75 = 29,508.75/x
  3. Step 3: Cross multiply
    19,489.50x = 29,508.75 × 29,508.75
  4. Step 4: Simplify right side
    19,489.50x = 870,766,326.56
  5. Step 5: Solve for x
    x = 870,766,326.56/19,489.50
  6. Step 6: Final answer
    x = 44,678.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.