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Finding the Third Proportional to 79,041 and 120,531.75

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Solution

The third proportional to 79,041 and 120,531.75 is: 183,802.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,041 : 120,531.75 = 120,531.75 : x
  2. Step 2: Convert to fraction form
    79,041/120,531.75 = 120,531.75/x
  3. Step 3: Cross multiply
    79,041x = 120,531.75 × 120,531.75
  4. Step 4: Simplify right side
    79,041x = 14,527,902,758.06
  5. Step 5: Solve for x
    x = 14,527,902,758.06/79,041
  6. Step 6: Final answer
    x = 183,802.11

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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.