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Finding the Third Proportional to 51,068 and 75,873

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Solution

The third proportional to 51,068 and 75,873 is: 112,726.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,068 : 75,873 = 75,873 : x
  2. Step 2: Convert to fraction form
    51,068/75,873 = 75,873/x
  3. Step 3: Cross multiply
    51,068x = 75,873 × 75,873
  4. Step 4: Simplify right side
    51,068x = 5,756,712,129
  5. Step 5: Solve for x
    x = 5,756,712,129/51,068
  6. Step 6: Final answer
    x = 112,726.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.