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Finding the Third Proportional to 5,356 and 6,544

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Solution

The third proportional to 5,356 and 6,544 is: 7,995.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356 : 6,544 = 6,544 : x
  2. Step 2: Convert to fraction form
    5,356/6,544 = 6,544/x
  3. Step 3: Cross multiply
    5,356x = 6,544 × 6,544
  4. Step 4: Simplify right side
    5,356x = 42,823,936
  5. Step 5: Solve for x
    x = 42,823,936/5,356
  6. Step 6: Final answer
    x = 7,995.51

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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.