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Finding the Third Proportional to 1,427 and 2,225.50

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Solution

The third proportional to 1,427 and 2,225.50 is: 3,470.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427 : 2,225.50 = 2,225.50 : x
  2. Step 2: Convert to fraction form
    1,427/2,225.50 = 2,225.50/x
  3. Step 3: Cross multiply
    1,427x = 2,225.50 × 2,225.50
  4. Step 4: Simplify right side
    1,427x = 4,952,850.25
  5. Step 5: Solve for x
    x = 4,952,850.25/1,427
  6. Step 6: Final answer
    x = 3,470.81

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.