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Finding the Third Proportional to 1,403 and 3,199

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Solution

The third proportional to 1,403 and 3,199 is: 7,294.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403 : 3,199 = 3,199 : x
  2. Step 2: Convert to fraction form
    1,403/3,199 = 3,199/x
  3. Step 3: Cross multiply
    1,403x = 3,199 × 3,199
  4. Step 4: Simplify right side
    1,403x = 10,233,601
  5. Step 5: Solve for x
    x = 10,233,601/1,403
  6. Step 6: Final answer
    x = 7,294.08

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.