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Finding the Third Proportional to 112,431 and 240,801

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Solution

The third proportional to 112,431 and 240,801 is: 515,739.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,431 : 240,801 = 240,801 : x
  2. Step 2: Convert to fraction form
    112,431/240,801 = 240,801/x
  3. Step 3: Cross multiply
    112,431x = 240,801 × 240,801
  4. Step 4: Simplify right side
    112,431x = 57,985,121,601
  5. Step 5: Solve for x
    x = 57,985,121,601/112,431
  6. Step 6: Final answer
    x = 515,739.62

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.