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Finding the Third Proportional to 1,347 and 2,403

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Solution

The third proportional to 1,347 and 2,403 is: 4,286.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347 : 2,403 = 2,403 : x
  2. Step 2: Convert to fraction form
    1,347/2,403 = 2,403/x
  3. Step 3: Cross multiply
    1,347x = 2,403 × 2,403
  4. Step 4: Simplify right side
    1,347x = 5,774,409
  5. Step 5: Solve for x
    x = 5,774,409/1,347
  6. Step 6: Final answer
    x = 4,286.87

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.