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Finding the Third Proportional to 18,827.28 and 40,753.76

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Solution

The third proportional to 18,827.28 and 40,753.76 is: 88,216.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.28 : 40,753.76 = 40,753.76 : x
  2. Step 2: Convert to fraction form
    18,827.28/40,753.76 = 40,753.76/x
  3. Step 3: Cross multiply
    18,827.28x = 40,753.76 × 40,753.76
  4. Step 4: Simplify right side
    18,827.28x = 1,660,868,775.84
  5. Step 5: Solve for x
    x = 1,660,868,775.84/18,827.28
  6. Step 6: Final answer
    x = 88,216.08

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.