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Finding the Third Proportional to 124,578 and 193,419

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Solution

The third proportional to 124,578 and 193,419 is: 300,301.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,578 : 193,419 = 193,419 : x
  2. Step 2: Convert to fraction form
    124,578/193,419 = 193,419/x
  3. Step 3: Cross multiply
    124,578x = 193,419 × 193,419
  4. Step 4: Simplify right side
    124,578x = 37,410,909,561
  5. Step 5: Solve for x
    x = 37,410,909,561/124,578
  6. Step 6: Final answer
    x = 300,301.09

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.