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Finding the Third Proportional to 956 and 1,399

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Solution

The third proportional to 956 and 1,399 is: 2,047.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    956 : 1,399 = 1,399 : x
  2. Step 2: Convert to fraction form
    956/1,399 = 1,399/x
  3. Step 3: Cross multiply
    956x = 1,399 × 1,399
  4. Step 4: Simplify right side
    956x = 1,957,201
  5. Step 5: Solve for x
    x = 1,957,201/956
  6. Step 6: Final answer
    x = 2,047.28

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.