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Finding the Third Proportional to 1,368 and 3,282

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Solution

The third proportional to 1,368 and 3,282 is: 7,873.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368 : 3,282 = 3,282 : x
  2. Step 2: Convert to fraction form
    1,368/3,282 = 3,282/x
  3. Step 3: Cross multiply
    1,368x = 3,282 × 3,282
  4. Step 4: Simplify right side
    1,368x = 10,771,524
  5. Step 5: Solve for x
    x = 10,771,524/1,368
  6. Step 6: Final answer
    x = 7,873.92

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Why These Related Problems?

These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.