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Finding the Third Proportional to 84,562 and 133,799

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Solution

The third proportional to 84,562 and 133,799 is: 211,704.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,562 : 133,799 = 133,799 : x
  2. Step 2: Convert to fraction form
    84,562/133,799 = 133,799/x
  3. Step 3: Cross multiply
    84,562x = 133,799 × 133,799
  4. Step 4: Simplify right side
    84,562x = 17,902,172,401
  5. Step 5: Solve for x
    x = 17,902,172,401/84,562
  6. Step 6: Final answer
    x = 211,704.69

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.