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Finding the Third Proportional to 88,753.78 and 121,256.44

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Solution

The third proportional to 88,753.78 and 121,256.44 is: 165,661.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,753.78 : 121,256.44 = 121,256.44 : x
  2. Step 2: Convert to fraction form
    88,753.78/121,256.44 = 121,256.44/x
  3. Step 3: Cross multiply
    88,753.78x = 121,256.44 × 121,256.44
  4. Step 4: Simplify right side
    88,753.78x = 14,703,123,635.19
  5. Step 5: Solve for x
    x = 14,703,123,635.19/88,753.78
  6. Step 6: Final answer
    x = 165,661.94

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.