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Finding the Third Proportional to 10,090 and 22,170

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Solution

The third proportional to 10,090 and 22,170 is: 48,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090 : 22,170 = 22,170 : x
  2. Step 2: Convert to fraction form
    10,090/22,170 = 22,170/x
  3. Step 3: Cross multiply
    10,090x = 22,170 × 22,170
  4. Step 4: Simplify right side
    10,090x = 491,508,900
  5. Step 5: Solve for x
    x = 491,508,900/10,090
  6. Step 6: Final answer
    x = 48,712.48

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.