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Finding the Third Proportional to 103,673 and 218,414

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Solution

The third proportional to 103,673 and 218,414 is: 460,145.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,673 : 218,414 = 218,414 : x
  2. Step 2: Convert to fraction form
    103,673/218,414 = 218,414/x
  3. Step 3: Cross multiply
    103,673x = 218,414 × 218,414
  4. Step 4: Simplify right side
    103,673x = 47,704,675,396
  5. Step 5: Solve for x
    x = 47,704,675,396/103,673
  6. Step 6: Final answer
    x = 460,145.61

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.