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Finding the Third Proportional to 3,445 and 4,195

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Solution

The third proportional to 3,445 and 4,195 is: 5,108.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445 : 4,195 = 4,195 : x
  2. Step 2: Convert to fraction form
    3,445/4,195 = 4,195/x
  3. Step 3: Cross multiply
    3,445x = 4,195 × 4,195
  4. Step 4: Simplify right side
    3,445x = 17,598,025
  5. Step 5: Solve for x
    x = 17,598,025/3,445
  6. Step 6: Final answer
    x = 5,108.28

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.