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Finding the Third Proportional to 9,190 and 20,156

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Solution

The third proportional to 9,190 and 20,156 is: 44,207.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190 : 20,156 = 20,156 : x
  2. Step 2: Convert to fraction form
    9,190/20,156 = 20,156/x
  3. Step 3: Cross multiply
    9,190x = 20,156 × 20,156
  4. Step 4: Simplify right side
    9,190x = 406,264,336
  5. Step 5: Solve for x
    x = 406,264,336/9,190
  6. Step 6: Final answer
    x = 44,207.22

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.