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Finding the Third Proportional to 131,462 and 214,644

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Solution

The third proportional to 131,462 and 214,644 is: 350,459.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,462 : 214,644 = 214,644 : x
  2. Step 2: Convert to fraction form
    131,462/214,644 = 214,644/x
  3. Step 3: Cross multiply
    131,462x = 214,644 × 214,644
  4. Step 4: Simplify right side
    131,462x = 46,072,046,736
  5. Step 5: Solve for x
    x = 46,072,046,736/131,462
  6. Step 6: Final answer
    x = 350,459.04

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.