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Finding the Third Proportional to 3,125.53 and 4,679.44

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Solution

The third proportional to 3,125.53 and 4,679.44 is: 7,005.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.53 : 4,679.44 = 4,679.44 : x
  2. Step 2: Convert to fraction form
    3,125.53/4,679.44 = 4,679.44/x
  3. Step 3: Cross multiply
    3,125.53x = 4,679.44 × 4,679.44
  4. Step 4: Simplify right side
    3,125.53x = 21,897,135.32
  5. Step 5: Solve for x
    x = 21,897,135.32/3,125.53
  6. Step 6: Final answer
    x = 7,005.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.