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Finding the Third Proportional to 4,544 and 7,912

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Solution

The third proportional to 4,544 and 7,912 is: 13,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,544 : 7,912 = 7,912 : x
  2. Step 2: Convert to fraction form
    4,544/7,912 = 7,912/x
  3. Step 3: Cross multiply
    4,544x = 7,912 × 7,912
  4. Step 4: Simplify right side
    4,544x = 62,599,744
  5. Step 5: Solve for x
    x = 62,599,744/4,544
  6. Step 6: Final answer
    x = 13,776.35

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Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.