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Finding the Third Proportional to 3,558 and 4,164

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Solution

The third proportional to 3,558 and 4,164 is: 4,873.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558 : 4,164 = 4,164 : x
  2. Step 2: Convert to fraction form
    3,558/4,164 = 4,164/x
  3. Step 3: Cross multiply
    3,558x = 4,164 × 4,164
  4. Step 4: Simplify right side
    3,558x = 17,338,896
  5. Step 5: Solve for x
    x = 17,338,896/3,558
  6. Step 6: Final answer
    x = 4,873.21

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.