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Finding the Third Proportional to 8,239.50 and 12,057.75

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Solution

The third proportional to 8,239.50 and 12,057.75 is: 17,645.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.50 : 12,057.75 = 12,057.75 : x
  2. Step 2: Convert to fraction form
    8,239.50/12,057.75 = 12,057.75/x
  3. Step 3: Cross multiply
    8,239.50x = 12,057.75 × 12,057.75
  4. Step 4: Simplify right side
    8,239.50x = 145,389,335.06
  5. Step 5: Solve for x
    x = 145,389,335.06/8,239.50
  6. Step 6: Final answer
    x = 17,645.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.