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Finding the Third Proportional to 2,949 and 4,180.50

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Solution

The third proportional to 2,949 and 4,180.50 is: 5,926.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949 : 4,180.50 = 4,180.50 : x
  2. Step 2: Convert to fraction form
    2,949/4,180.50 = 4,180.50/x
  3. Step 3: Cross multiply
    2,949x = 4,180.50 × 4,180.50
  4. Step 4: Simplify right side
    2,949x = 17,476,580.25
  5. Step 5: Solve for x
    x = 17,476,580.25/2,949
  6. Step 6: Final answer
    x = 5,926.27

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.