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Finding the Third Proportional to 15,577 and 33,530

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Solution

The third proportional to 15,577 and 33,530 is: 72,174.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577 : 33,530 = 33,530 : x
  2. Step 2: Convert to fraction form
    15,577/33,530 = 33,530/x
  3. Step 3: Cross multiply
    15,577x = 33,530 × 33,530
  4. Step 4: Simplify right side
    15,577x = 1,124,260,900
  5. Step 5: Solve for x
    x = 1,124,260,900/15,577
  6. Step 6: Final answer
    x = 72,174.42

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.