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Finding the Third Proportional to 40,787.63 and 57,439.13

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Solution

The third proportional to 40,787.63 and 57,439.13 is: 80,888.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,787.63 : 57,439.13 = 57,439.13 : x
  2. Step 2: Convert to fraction form
    40,787.63/57,439.13 = 57,439.13/x
  3. Step 3: Cross multiply
    40,787.63x = 57,439.13 × 57,439.13
  4. Step 4: Simplify right side
    40,787.63x = 3,299,253,080.77
  5. Step 5: Solve for x
    x = 3,299,253,080.77/40,787.63
  6. Step 6: Final answer
    x = 80,888.58

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.