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Finding the Third Proportional to 8,360 and 12,212

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Solution

The third proportional to 8,360 and 12,212 is: 17,838.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360 : 12,212 = 12,212 : x
  2. Step 2: Convert to fraction form
    8,360/12,212 = 12,212/x
  3. Step 3: Cross multiply
    8,360x = 12,212 × 12,212
  4. Step 4: Simplify right side
    8,360x = 149,132,944
  5. Step 5: Solve for x
    x = 149,132,944/8,360
  6. Step 6: Final answer
    x = 17,838.87

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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.