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Finding the Third Proportional to 51,206 and 77,525

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Solution

The third proportional to 51,206 and 77,525 is: 117,371.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,206 : 77,525 = 77,525 : x
  2. Step 2: Convert to fraction form
    51,206/77,525 = 77,525/x
  3. Step 3: Cross multiply
    51,206x = 77,525 × 77,525
  4. Step 4: Simplify right side
    51,206x = 6,010,125,625
  5. Step 5: Solve for x
    x = 6,010,125,625/51,206
  6. Step 6: Final answer
    x = 117,371.51

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.