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Finding the Third Proportional to 1,558 and 3,373

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Solution

The third proportional to 1,558 and 3,373 is: 7,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558 : 3,373 = 3,373 : x
  2. Step 2: Convert to fraction form
    1,558/3,373 = 3,373/x
  3. Step 3: Cross multiply
    1,558x = 3,373 × 3,373
  4. Step 4: Simplify right side
    1,558x = 11,377,129
  5. Step 5: Solve for x
    x = 11,377,129/1,558
  6. Step 6: Final answer
    x = 7,302.39

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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.