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Finding the Third Proportional to 8,259.50 and 18,085

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Solution

The third proportional to 8,259.50 and 18,085 is: 39,598.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.50 : 18,085 = 18,085 : x
  2. Step 2: Convert to fraction form
    8,259.50/18,085 = 18,085/x
  3. Step 3: Cross multiply
    8,259.50x = 18,085 × 18,085
  4. Step 4: Simplify right side
    8,259.50x = 327,067,225
  5. Step 5: Solve for x
    x = 327,067,225/8,259.50
  6. Step 6: Final answer
    x = 39,598.91

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.