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Finding the Third Proportional to 679 and 1,595

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Solution

The third proportional to 679 and 1,595 is: 3,746.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    679 : 1,595 = 1,595 : x
  2. Step 2: Convert to fraction form
    679/1,595 = 1,595/x
  3. Step 3: Cross multiply
    679x = 1,595 × 1,595
  4. Step 4: Simplify right side
    679x = 2,544,025
  5. Step 5: Solve for x
    x = 2,544,025/679
  6. Step 6: Final answer
    x = 3,746.72

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.