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Finding the Third Proportional to 131,743 and 197,254

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Solution

The third proportional to 131,743 and 197,254 is: 295,341.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,743 : 197,254 = 197,254 : x
  2. Step 2: Convert to fraction form
    131,743/197,254 = 197,254/x
  3. Step 3: Cross multiply
    131,743x = 197,254 × 197,254
  4. Step 4: Simplify right side
    131,743x = 38,909,140,516
  5. Step 5: Solve for x
    x = 38,909,140,516/131,743
  6. Step 6: Final answer
    x = 295,341.24

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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.