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Finding the Third Proportional to 1,248 and 2,734.88

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Solution

The third proportional to 1,248 and 2,734.88 is: 5,993.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248 : 2,734.88 = 2,734.88 : x
  2. Step 2: Convert to fraction form
    1,248/2,734.88 = 2,734.88/x
  3. Step 3: Cross multiply
    1,248x = 2,734.88 × 2,734.88
  4. Step 4: Simplify right side
    1,248x = 7,479,541.27
  5. Step 5: Solve for x
    x = 7,479,541.27/1,248
  6. Step 6: Final answer
    x = 5,993.22

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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.