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Finding the Third Proportional to 10,220 and 11,192

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Solution

The third proportional to 10,220 and 11,192 is: 12,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220 : 11,192 = 11,192 : x
  2. Step 2: Convert to fraction form
    10,220/11,192 = 11,192/x
  3. Step 3: Cross multiply
    10,220x = 11,192 × 11,192
  4. Step 4: Simplify right side
    10,220x = 125,260,864
  5. Step 5: Solve for x
    x = 125,260,864/10,220
  6. Step 6: Final answer
    x = 12,256.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.