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Finding the Third Proportional to 1,247 and 3,050

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Solution

The third proportional to 1,247 and 3,050 is: 7,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247 : 3,050 = 3,050 : x
  2. Step 2: Convert to fraction form
    1,247/3,050 = 3,050/x
  3. Step 3: Cross multiply
    1,247x = 3,050 × 3,050
  4. Step 4: Simplify right side
    1,247x = 9,302,500
  5. Step 5: Solve for x
    x = 9,302,500/1,247
  6. Step 6: Final answer
    x = 7,459.90

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Why These Related Problems?

These problems maintain the same ratio (2.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.