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Finding the Third Proportional to 1,093 and 2,389

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Solution

The third proportional to 1,093 and 2,389 is: 5,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093 : 2,389 = 2,389 : x
  2. Step 2: Convert to fraction form
    1,093/2,389 = 2,389/x
  3. Step 3: Cross multiply
    1,093x = 2,389 × 2,389
  4. Step 4: Simplify right side
    1,093x = 5,707,321
  5. Step 5: Solve for x
    x = 5,707,321/1,093
  6. Step 6: Final answer
    x = 5,221.70

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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.