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Finding the Third Proportional to 123,753.75 and 193,021.88

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Solution

The third proportional to 123,753.75 and 193,021.88 is: 301,061.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,753.75 : 193,021.88 = 193,021.88 : x
  2. Step 2: Convert to fraction form
    123,753.75/193,021.88 = 193,021.88/x
  3. Step 3: Cross multiply
    123,753.75x = 193,021.88 × 193,021.88
  4. Step 4: Simplify right side
    123,753.75x = 37,257,444,228.52
  5. Step 5: Solve for x
    x = 37,257,444,228.52/123,753.75
  6. Step 6: Final answer
    x = 301,061.13

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.