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Finding the Third Proportional to 276,874.50 and 433,767

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Solution

The third proportional to 276,874.50 and 433,767 is: 679,563.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,874.50 : 433,767 = 433,767 : x
  2. Step 2: Convert to fraction form
    276,874.50/433,767 = 433,767/x
  3. Step 3: Cross multiply
    276,874.50x = 433,767 × 433,767
  4. Step 4: Simplify right side
    276,874.50x = 188,153,810,289
  5. Step 5: Solve for x
    x = 188,153,810,289/276,874.50
  6. Step 6: Final answer
    x = 679,563.52

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.