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Finding the Third Proportional to 1,088 and 1,424

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Solution

The third proportional to 1,088 and 1,424 is: 1,863.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088 : 1,424 = 1,424 : x
  2. Step 2: Convert to fraction form
    1,088/1,424 = 1,424/x
  3. Step 3: Cross multiply
    1,088x = 1,424 × 1,424
  4. Step 4: Simplify right side
    1,088x = 2,027,776
  5. Step 5: Solve for x
    x = 2,027,776/1,088
  6. Step 6: Final answer
    x = 1,863.76

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.