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Finding the Third Proportional to 85,247.44 and 129,055.78

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Solution

The third proportional to 85,247.44 and 129,055.78 is: 195,377.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,247.44 : 129,055.78 = 129,055.78 : x
  2. Step 2: Convert to fraction form
    85,247.44/129,055.78 = 129,055.78/x
  3. Step 3: Cross multiply
    85,247.44x = 129,055.78 × 129,055.78
  4. Step 4: Simplify right side
    85,247.44x = 16,655,394,674.05
  5. Step 5: Solve for x
    x = 16,655,394,674.05/85,247.44
  6. Step 6: Final answer
    x = 195,377.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.