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Finding the Third Proportional to 88,278.50 and 132,615

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Solution

The third proportional to 88,278.50 and 132,615 is: 199,218.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,278.50 : 132,615 = 132,615 : x
  2. Step 2: Convert to fraction form
    88,278.50/132,615 = 132,615/x
  3. Step 3: Cross multiply
    88,278.50x = 132,615 × 132,615
  4. Step 4: Simplify right side
    88,278.50x = 17,586,738,225
  5. Step 5: Solve for x
    x = 17,586,738,225/88,278.50
  6. Step 6: Final answer
    x = 199,218.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.