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Finding the Third Proportional to 3,331.83 and 7,124.98

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Solution

The third proportional to 3,331.83 and 7,124.98 is: 15,236.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.83 : 7,124.98 = 7,124.98 : x
  2. Step 2: Convert to fraction form
    3,331.83/7,124.98 = 7,124.98/x
  3. Step 3: Cross multiply
    3,331.83x = 7,124.98 × 7,124.98
  4. Step 4: Simplify right side
    3,331.83x = 50,765,291.02
  5. Step 5: Solve for x
    x = 50,765,291.02/3,331.83
  6. Step 6: Final answer
    x = 15,236.47

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.