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Finding the Third Proportional to 291,543.75 and 449,766

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Solution

The third proportional to 291,543.75 and 449,766 is: 693,856.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,543.75 : 449,766 = 449,766 : x
  2. Step 2: Convert to fraction form
    291,543.75/449,766 = 449,766/x
  3. Step 3: Cross multiply
    291,543.75x = 449,766 × 449,766
  4. Step 4: Simplify right side
    291,543.75x = 202,289,454,756
  5. Step 5: Solve for x
    x = 202,289,454,756/291,543.75
  6. Step 6: Final answer
    x = 693,856.26

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.