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Finding the Third Proportional to 28,240.31 and 43,752.66

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Solution

The third proportional to 28,240.31 and 43,752.66 is: 67,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.31 : 43,752.66 = 43,752.66 : x
  2. Step 2: Convert to fraction form
    28,240.31/43,752.66 = 43,752.66/x
  3. Step 3: Cross multiply
    28,240.31x = 43,752.66 × 43,752.66
  4. Step 4: Simplify right side
    28,240.31x = 1,914,294,928.93
  5. Step 5: Solve for x
    x = 1,914,294,928.93/28,240.31
  6. Step 6: Final answer
    x = 67,785.90

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.