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Finding the Third Proportional to 40,391.58 and 61,680.87

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Solution

The third proportional to 40,391.58 and 61,680.87 is: 94,191.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,391.58 : 61,680.87 = 61,680.87 : x
  2. Step 2: Convert to fraction form
    40,391.58/61,680.87 = 61,680.87/x
  3. Step 3: Cross multiply
    40,391.58x = 61,680.87 × 61,680.87
  4. Step 4: Simplify right side
    40,391.58x = 3,804,529,377.00
  5. Step 5: Solve for x
    x = 3,804,529,377.00/40,391.58
  6. Step 6: Final answer
    x = 94,191.15

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.