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Finding the Third Proportional to 19,180.50 and 29,439

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Solution

The third proportional to 19,180.50 and 29,439 is: 45,184.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180.50 : 29,439 = 29,439 : x
  2. Step 2: Convert to fraction form
    19,180.50/29,439 = 29,439/x
  3. Step 3: Cross multiply
    19,180.50x = 29,439 × 29,439
  4. Step 4: Simplify right side
    19,180.50x = 866,654,721
  5. Step 5: Solve for x
    x = 866,654,721/19,180.50
  6. Step 6: Final answer
    x = 45,184.16

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.