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Finding the Third Proportional to 1,225 and 3,323.50

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Solution

The third proportional to 1,225 and 3,323.50 is: 9,016.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225 : 3,323.50 = 3,323.50 : x
  2. Step 2: Convert to fraction form
    1,225/3,323.50 = 3,323.50/x
  3. Step 3: Cross multiply
    1,225x = 3,323.50 × 3,323.50
  4. Step 4: Simplify right side
    1,225x = 11,045,652.25
  5. Step 5: Solve for x
    x = 11,045,652.25/1,225
  6. Step 6: Final answer
    x = 9,016.86

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Why These Related Problems?

These problems maintain the same ratio (2.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.