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Finding the Third Proportional to 3,464 and 5,438

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Solution

The third proportional to 3,464 and 5,438 is: 8,536.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464 : 5,438 = 5,438 : x
  2. Step 2: Convert to fraction form
    3,464/5,438 = 5,438/x
  3. Step 3: Cross multiply
    3,464x = 5,438 × 5,438
  4. Step 4: Simplify right side
    3,464x = 29,571,844
  5. Step 5: Solve for x
    x = 29,571,844/3,464
  6. Step 6: Final answer
    x = 8,536.91

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.