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Finding the Third Proportional to 57,115,212.75 and 87,011,992.13

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Solution

The third proportional to 57,115,212.75 and 87,011,992.13 is: 132,558,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,115,212.75 : 87,011,992.13 = 87,011,992.13 : x
  2. Step 2: Convert to fraction form
    57,115,212.75/87,011,992.13 = 87,011,992.13/x
  3. Step 3: Cross multiply
    57,115,212.75x = 87,011,992.13 × 87,011,992.13
  4. Step 4: Simplify right side
    57,115,212.75x = 7,571,086,773,561,062
  5. Step 5: Solve for x
    x = 7,571,086,773,561,062/57,115,212.75
  6. Step 6: Final answer
    x = 132,558,147.10

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.