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Finding the Third Proportional to 160,720 and 349,087

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Solution

The third proportional to 160,720 and 349,087 is: 758,223.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,720 : 349,087 = 349,087 : x
  2. Step 2: Convert to fraction form
    160,720/349,087 = 349,087/x
  3. Step 3: Cross multiply
    160,720x = 349,087 × 349,087
  4. Step 4: Simplify right side
    160,720x = 121,861,733,569
  5. Step 5: Solve for x
    x = 121,861,733,569/160,720
  6. Step 6: Final answer
    x = 758,223.83

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.