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Finding the Third Proportional to 15,772 and 34,447

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Solution

The third proportional to 15,772 and 34,447 is: 75,234.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772 : 34,447 = 34,447 : x
  2. Step 2: Convert to fraction form
    15,772/34,447 = 34,447/x
  3. Step 3: Cross multiply
    15,772x = 34,447 × 34,447
  4. Step 4: Simplify right side
    15,772x = 1,186,595,809
  5. Step 5: Solve for x
    x = 1,186,595,809/15,772
  6. Step 6: Final answer
    x = 75,234.33

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.