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Finding the Third Proportional to 8,687.06 and 18,108.75

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Solution

The third proportional to 8,687.06 and 18,108.75 is: 37,748.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687.06 : 18,108.75 = 18,108.75 : x
  2. Step 2: Convert to fraction form
    8,687.06/18,108.75 = 18,108.75/x
  3. Step 3: Cross multiply
    8,687.06x = 18,108.75 × 18,108.75
  4. Step 4: Simplify right side
    8,687.06x = 327,926,826.56
  5. Step 5: Solve for x
    x = 327,926,826.56/8,687.06
  6. Step 6: Final answer
    x = 37,748.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.