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Finding the Third Proportional to 1,252 and 2,942

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Solution

The third proportional to 1,252 and 2,942 is: 6,913.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252 : 2,942 = 2,942 : x
  2. Step 2: Convert to fraction form
    1,252/2,942 = 2,942/x
  3. Step 3: Cross multiply
    1,252x = 2,942 × 2,942
  4. Step 4: Simplify right side
    1,252x = 8,655,364
  5. Step 5: Solve for x
    x = 8,655,364/1,252
  6. Step 6: Final answer
    x = 6,913.23

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.