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Finding the Third Proportional to 57,115,217 and 87,011,998

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Solution

The third proportional to 57,115,217 and 87,011,998 is: 132,558,155.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,115,217 : 87,011,998 = 87,011,998 : x
  2. Step 2: Convert to fraction form
    57,115,217/87,011,998 = 87,011,998/x
  3. Step 3: Cross multiply
    57,115,217x = 87,011,998 × 87,011,998
  4. Step 4: Simplify right side
    57,115,217x = 7,571,087,795,952,004
  5. Step 5: Solve for x
    x = 7,571,087,795,952,004/57,115,217
  6. Step 6: Final answer
    x = 132,558,155.14

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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.