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Finding the Third Proportional to 1,313 and 2,282

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Solution

The third proportional to 1,313 and 2,282 is: 3,966.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313 : 2,282 = 2,282 : x
  2. Step 2: Convert to fraction form
    1,313/2,282 = 2,282/x
  3. Step 3: Cross multiply
    1,313x = 2,282 × 2,282
  4. Step 4: Simplify right side
    1,313x = 5,207,524
  5. Step 5: Solve for x
    x = 5,207,524/1,313
  6. Step 6: Final answer
    x = 3,966.13

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Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.