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Finding the Third Proportional to 3,445 and 4,306

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Solution

The third proportional to 3,445 and 4,306 is: 5,382.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445 : 4,306 = 4,306 : x
  2. Step 2: Convert to fraction form
    3,445/4,306 = 4,306/x
  3. Step 3: Cross multiply
    3,445x = 4,306 × 4,306
  4. Step 4: Simplify right side
    3,445x = 18,541,636
  5. Step 5: Solve for x
    x = 18,541,636/3,445
  6. Step 6: Final answer
    x = 5,382.19

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Why These Related Problems?

These problems maintain the same ratio (1.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.