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Finding the Third Proportional to 41,666 and 64,330

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Solution

The third proportional to 41,666 and 64,330 is: 99,321.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,666 : 64,330 = 64,330 : x
  2. Step 2: Convert to fraction form
    41,666/64,330 = 64,330/x
  3. Step 3: Cross multiply
    41,666x = 64,330 × 64,330
  4. Step 4: Simplify right side
    41,666x = 4,138,348,900
  5. Step 5: Solve for x
    x = 4,138,348,900/41,666
  6. Step 6: Final answer
    x = 99,321.96

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.