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Finding the Third Proportional to 18,247.78 and 24,079.78

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Solution

The third proportional to 18,247.78 and 24,079.78 is: 31,775.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.78 : 24,079.78 = 24,079.78 : x
  2. Step 2: Convert to fraction form
    18,247.78/24,079.78 = 24,079.78/x
  3. Step 3: Cross multiply
    18,247.78x = 24,079.78 × 24,079.78
  4. Step 4: Simplify right side
    18,247.78x = 579,835,865.05
  5. Step 5: Solve for x
    x = 579,835,865.05/18,247.78
  6. Step 6: Final answer
    x = 31,775.69

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.