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Finding the Third Proportional to 3,312 and 4,394

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Solution

The third proportional to 3,312 and 4,394 is: 5,829.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312 : 4,394 = 4,394 : x
  2. Step 2: Convert to fraction form
    3,312/4,394 = 4,394/x
  3. Step 3: Cross multiply
    3,312x = 4,394 × 4,394
  4. Step 4: Simplify right side
    3,312x = 19,307,236
  5. Step 5: Solve for x
    x = 19,307,236/3,312
  6. Step 6: Final answer
    x = 5,829.48

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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.