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Finding the Third Proportional to 57,776,591.25 and 78,691,631.63

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Solution

The third proportional to 57,776,591.25 and 78,691,631.63 is: 107,177,885.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,776,591.25 : 78,691,631.63 = 78,691,631.63 : x
  2. Step 2: Convert to fraction form
    57,776,591.25/78,691,631.63 = 78,691,631.63/x
  3. Step 3: Cross multiply
    57,776,591.25x = 78,691,631.63 × 78,691,631.63
  4. Step 4: Simplify right side
    57,776,591.25x = 6,192,372,887,804,700
  5. Step 5: Solve for x
    x = 6,192,372,887,804,700/57,776,591.25
  6. Step 6: Final answer
    x = 107,177,885.61

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.