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Finding the Third Proportional to 1,078 and 1,750

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Solution

The third proportional to 1,078 and 1,750 is: 2,840.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078 : 1,750 = 1,750 : x
  2. Step 2: Convert to fraction form
    1,078/1,750 = 1,750/x
  3. Step 3: Cross multiply
    1,078x = 1,750 × 1,750
  4. Step 4: Simplify right side
    1,078x = 3,062,500
  5. Step 5: Solve for x
    x = 3,062,500/1,078
  6. Step 6: Final answer
    x = 2,840.91

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.