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Finding the Third Proportional to 56,910.75 and 83,178.75

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Solution

The third proportional to 56,910.75 and 83,178.75 is: 121,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,910.75 : 83,178.75 = 83,178.75 : x
  2. Step 2: Convert to fraction form
    56,910.75/83,178.75 = 83,178.75/x
  3. Step 3: Cross multiply
    56,910.75x = 83,178.75 × 83,178.75
  4. Step 4: Simplify right side
    56,910.75x = 6,918,704,451.56
  5. Step 5: Solve for x
    x = 6,918,704,451.56/56,910.75
  6. Step 6: Final answer
    x = 121,571.13

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These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.