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Finding the Third Proportional to 123,254 and 196,179

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Solution

The third proportional to 123,254 and 196,179 is: 312,251.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,254 : 196,179 = 196,179 : x
  2. Step 2: Convert to fraction form
    123,254/196,179 = 196,179/x
  3. Step 3: Cross multiply
    123,254x = 196,179 × 196,179
  4. Step 4: Simplify right side
    123,254x = 38,486,200,041
  5. Step 5: Solve for x
    x = 38,486,200,041/123,254
  6. Step 6: Final answer
    x = 312,251.12

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.