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Finding the Third Proportional to 132,240 and 198,648

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Solution

The third proportional to 132,240 and 198,648 is: 298,404.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,240 : 198,648 = 198,648 : x
  2. Step 2: Convert to fraction form
    132,240/198,648 = 198,648/x
  3. Step 3: Cross multiply
    132,240x = 198,648 × 198,648
  4. Step 4: Simplify right side
    132,240x = 39,461,027,904
  5. Step 5: Solve for x
    x = 39,461,027,904/132,240
  6. Step 6: Final answer
    x = 298,404.63

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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.