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Finding the Third Proportional to 1,262 and 2,031

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Solution

The third proportional to 1,262 and 2,031 is: 3,268.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262 : 2,031 = 2,031 : x
  2. Step 2: Convert to fraction form
    1,262/2,031 = 2,031/x
  3. Step 3: Cross multiply
    1,262x = 2,031 × 2,031
  4. Step 4: Simplify right side
    1,262x = 4,124,961
  5. Step 5: Solve for x
    x = 4,124,961/1,262
  6. Step 6: Final answer
    x = 3,268.59

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.