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Finding the Third Proportional to 4,090 and 9,092

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Solution

The third proportional to 4,090 and 9,092 is: 20,211.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090 : 9,092 = 9,092 : x
  2. Step 2: Convert to fraction form
    4,090/9,092 = 9,092/x
  3. Step 3: Cross multiply
    4,090x = 9,092 × 9,092
  4. Step 4: Simplify right side
    4,090x = 82,664,464
  5. Step 5: Solve for x
    x = 82,664,464/4,090
  6. Step 6: Final answer
    x = 20,211.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.