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Finding the Third Proportional to 2,045 and 2,719

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Solution

The third proportional to 2,045 and 2,719 is: 3,615.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045 : 2,719 = 2,719 : x
  2. Step 2: Convert to fraction form
    2,045/2,719 = 2,719/x
  3. Step 3: Cross multiply
    2,045x = 2,719 × 2,719
  4. Step 4: Simplify right side
    2,045x = 7,392,961
  5. Step 5: Solve for x
    x = 7,392,961/2,045
  6. Step 6: Final answer
    x = 3,615.14

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.