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Finding the Third Proportional to 1,087 and 2,383

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Solution

The third proportional to 1,087 and 2,383 is: 5,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087 : 2,383 = 2,383 : x
  2. Step 2: Convert to fraction form
    1,087/2,383 = 2,383/x
  3. Step 3: Cross multiply
    1,087x = 2,383 × 2,383
  4. Step 4: Simplify right side
    1,087x = 5,678,689
  5. Step 5: Solve for x
    x = 5,678,689/1,087
  6. Step 6: Final answer
    x = 5,224.18

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.