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Finding the Third Proportional to 132,226 and 198,628

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Solution

The third proportional to 132,226 and 198,628 is: 298,376.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,226 : 198,628 = 198,628 : x
  2. Step 2: Convert to fraction form
    132,226/198,628 = 198,628/x
  3. Step 3: Cross multiply
    132,226x = 198,628 × 198,628
  4. Step 4: Simplify right side
    132,226x = 39,453,082,384
  5. Step 5: Solve for x
    x = 39,453,082,384/132,226
  6. Step 6: Final answer
    x = 298,376.13

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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.