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Finding the Third Proportional to 56,918.95 and 84,917.11

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Solution

The third proportional to 56,918.95 and 84,917.11 is: 126,687.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,918.95 : 84,917.11 = 84,917.11 : x
  2. Step 2: Convert to fraction form
    56,918.95/84,917.11 = 84,917.11/x
  3. Step 3: Cross multiply
    56,918.95x = 84,917.11 × 84,917.11
  4. Step 4: Simplify right side
    56,918.95x = 7,210,915,464.61
  5. Step 5: Solve for x
    x = 7,210,915,464.61/56,918.95
  6. Step 6: Final answer
    x = 126,687.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.