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Finding the Third Proportional to 8,626.50 and 12,207.75

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Solution

The third proportional to 8,626.50 and 12,207.75 is: 17,275.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,626.50 : 12,207.75 = 12,207.75 : x
  2. Step 2: Convert to fraction form
    8,626.50/12,207.75 = 12,207.75/x
  3. Step 3: Cross multiply
    8,626.50x = 12,207.75 × 12,207.75
  4. Step 4: Simplify right side
    8,626.50x = 149,029,160.06
  5. Step 5: Solve for x
    x = 149,029,160.06/8,626.50
  6. Step 6: Final answer
    x = 17,275.74

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.