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Finding the Third Proportional to 81,734.25 and 124,977

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Solution

The third proportional to 81,734.25 and 124,977 is: 191,097.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,734.25 : 124,977 = 124,977 : x
  2. Step 2: Convert to fraction form
    81,734.25/124,977 = 124,977/x
  3. Step 3: Cross multiply
    81,734.25x = 124,977 × 124,977
  4. Step 4: Simplify right side
    81,734.25x = 15,619,250,529
  5. Step 5: Solve for x
    x = 15,619,250,529/81,734.25
  6. Step 6: Final answer
    x = 191,097.99

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.