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Finding the Third Proportional to 133,920 and 291,652

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Solution

The third proportional to 133,920 and 291,652 is: 635,161.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,920 : 291,652 = 291,652 : x
  2. Step 2: Convert to fraction form
    133,920/291,652 = 291,652/x
  3. Step 3: Cross multiply
    133,920x = 291,652 × 291,652
  4. Step 4: Simplify right side
    133,920x = 85,060,889,104
  5. Step 5: Solve for x
    x = 85,060,889,104/133,920
  6. Step 6: Final answer
    x = 635,161.96

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.