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Finding the Third Proportional to 1,489 and 2,334

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Solution

The third proportional to 1,489 and 2,334 is: 3,658.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489 : 2,334 = 2,334 : x
  2. Step 2: Convert to fraction form
    1,489/2,334 = 2,334/x
  3. Step 3: Cross multiply
    1,489x = 2,334 × 2,334
  4. Step 4: Simplify right side
    1,489x = 5,447,556
  5. Step 5: Solve for x
    x = 5,447,556/1,489
  6. Step 6: Final answer
    x = 3,658.53

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.