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Finding the Third Proportional to 273,013.50 and 431,694

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Solution

The third proportional to 273,013.50 and 431,694 is: 682,602.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,013.50 : 431,694 = 431,694 : x
  2. Step 2: Convert to fraction form
    273,013.50/431,694 = 431,694/x
  3. Step 3: Cross multiply
    273,013.50x = 431,694 × 431,694
  4. Step 4: Simplify right side
    273,013.50x = 186,359,709,636
  5. Step 5: Solve for x
    x = 186,359,709,636/273,013.50
  6. Step 6: Final answer
    x = 682,602.54

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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.