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Finding the Third Proportional to 79,391.25 and 112,848.75

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Solution

The third proportional to 79,391.25 and 112,848.75 is: 160,406.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,391.25 : 112,848.75 = 112,848.75 : x
  2. Step 2: Convert to fraction form
    79,391.25/112,848.75 = 112,848.75/x
  3. Step 3: Cross multiply
    79,391.25x = 112,848.75 × 112,848.75
  4. Step 4: Simplify right side
    79,391.25x = 12,734,840,376.56
  5. Step 5: Solve for x
    x = 12,734,840,376.56/79,391.25
  6. Step 6: Final answer
    x = 160,406.09

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.