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Finding the Third Proportional to 79,427.25 and 121,002.75

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Solution

The third proportional to 79,427.25 and 121,002.75 is: 184,340.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,427.25 : 121,002.75 = 121,002.75 : x
  2. Step 2: Convert to fraction form
    79,427.25/121,002.75 = 121,002.75/x
  3. Step 3: Cross multiply
    79,427.25x = 121,002.75 × 121,002.75
  4. Step 4: Simplify right side
    79,427.25x = 14,641,665,507.56
  5. Step 5: Solve for x
    x = 14,641,665,507.56/79,427.25
  6. Step 6: Final answer
    x = 184,340.58

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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.