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Finding the Third Proportional to 671.50 and 1,498

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Solution

The third proportional to 671.50 and 1,498 is: 3,341.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    671.50 : 1,498 = 1,498 : x
  2. Step 2: Convert to fraction form
    671.50/1,498 = 1,498/x
  3. Step 3: Cross multiply
    671.50x = 1,498 × 1,498
  4. Step 4: Simplify right side
    671.50x = 2,244,004
  5. Step 5: Solve for x
    x = 2,244,004/671.50
  6. Step 6: Final answer
    x = 3,341.78

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.