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Finding the Third Proportional to 52,873 and 77,199

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Solution

The third proportional to 52,873 and 77,199 is: 112,716.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,873 : 77,199 = 77,199 : x
  2. Step 2: Convert to fraction form
    52,873/77,199 = 77,199/x
  3. Step 3: Cross multiply
    52,873x = 77,199 × 77,199
  4. Step 4: Simplify right side
    52,873x = 5,959,685,601
  5. Step 5: Solve for x
    x = 5,959,685,601/52,873
  6. Step 6: Final answer
    x = 112,716.99

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.