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Finding the Third Proportional to 190,581.75 and 280,593

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Solution

The third proportional to 190,581.75 and 280,593 is: 413,116.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,581.75 : 280,593 = 280,593 : x
  2. Step 2: Convert to fraction form
    190,581.75/280,593 = 280,593/x
  3. Step 3: Cross multiply
    190,581.75x = 280,593 × 280,593
  4. Step 4: Simplify right side
    190,581.75x = 78,732,431,649
  5. Step 5: Solve for x
    x = 78,732,431,649/190,581.75
  6. Step 6: Final answer
    x = 413,116.32

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.