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Finding the Third Proportional to 79,040.25 and 120,530.25

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Solution

The third proportional to 79,040.25 and 120,530.25 is: 183,799.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,040.25 : 120,530.25 = 120,530.25 : x
  2. Step 2: Convert to fraction form
    79,040.25/120,530.25 = 120,530.25/x
  3. Step 3: Cross multiply
    79,040.25x = 120,530.25 × 120,530.25
  4. Step 4: Simplify right side
    79,040.25x = 14,527,541,165.06
  5. Step 5: Solve for x
    x = 14,527,541,165.06/79,040.25
  6. Step 6: Final answer
    x = 183,799.28

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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.