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Finding the Third Proportional to 41,770 and 90,107

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Solution

The third proportional to 41,770 and 90,107 is: 194,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,770 : 90,107 = 90,107 : x
  2. Step 2: Convert to fraction form
    41,770/90,107 = 90,107/x
  3. Step 3: Cross multiply
    41,770x = 90,107 × 90,107
  4. Step 4: Simplify right side
    41,770x = 8,119,271,449
  5. Step 5: Solve for x
    x = 8,119,271,449/41,770
  6. Step 6: Final answer
    x = 194,380.45

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.