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Finding the Third Proportional to 131,254 and 196,840

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Solution

The third proportional to 131,254 and 196,840 is: 295,198.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,254 : 196,840 = 196,840 : x
  2. Step 2: Convert to fraction form
    131,254/196,840 = 196,840/x
  3. Step 3: Cross multiply
    131,254x = 196,840 × 196,840
  4. Step 4: Simplify right side
    131,254x = 38,745,985,600
  5. Step 5: Solve for x
    x = 38,745,985,600/131,254
  6. Step 6: Final answer
    x = 295,198.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.