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Finding the Third Proportional to 19,049.50 and 40,934

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Solution

The third proportional to 19,049.50 and 40,934 is: 87,959.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,049.50 : 40,934 = 40,934 : x
  2. Step 2: Convert to fraction form
    19,049.50/40,934 = 40,934/x
  3. Step 3: Cross multiply
    19,049.50x = 40,934 × 40,934
  4. Step 4: Simplify right side
    19,049.50x = 1,675,592,356
  5. Step 5: Solve for x
    x = 1,675,592,356/19,049.50
  6. Step 6: Final answer
    x = 87,959.91

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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.