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Finding the Third Proportional to 42,312.75 and 100,248.75

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Solution

The third proportional to 42,312.75 and 100,248.75 is: 237,512.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,312.75 : 100,248.75 = 100,248.75 : x
  2. Step 2: Convert to fraction form
    42,312.75/100,248.75 = 100,248.75/x
  3. Step 3: Cross multiply
    42,312.75x = 100,248.75 × 100,248.75
  4. Step 4: Simplify right side
    42,312.75x = 10,049,811,876.56
  5. Step 5: Solve for x
    x = 10,049,811,876.56/42,312.75
  6. Step 6: Final answer
    x = 237,512.61

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.