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Finding the Third Proportional to 51,521 and 108,578

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Solution

The third proportional to 51,521 and 108,578 is: 228,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,521 : 108,578 = 108,578 : x
  2. Step 2: Convert to fraction form
    51,521/108,578 = 108,578/x
  3. Step 3: Cross multiply
    51,521x = 108,578 × 108,578
  4. Step 4: Simplify right side
    51,521x = 11,789,182,084
  5. Step 5: Solve for x
    x = 11,789,182,084/51,521
  6. Step 6: Final answer
    x = 228,822.85

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.