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Finding the Third Proportional to 41,666 and 91,669

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Solution

The third proportional to 41,666 and 91,669 is: 201,680.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,666 : 91,669 = 91,669 : x
  2. Step 2: Convert to fraction form
    41,666/91,669 = 91,669/x
  3. Step 3: Cross multiply
    41,666x = 91,669 × 91,669
  4. Step 4: Simplify right side
    41,666x = 8,403,205,561
  5. Step 5: Solve for x
    x = 8,403,205,561/41,666
  6. Step 6: Final answer
    x = 201,680.16

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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.