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Finding the Third Proportional to 132,300 and 198,748

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Solution

The third proportional to 132,300 and 198,748 is: 298,569.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,300 : 198,748 = 198,748 : x
  2. Step 2: Convert to fraction form
    132,300/198,748 = 198,748/x
  3. Step 3: Cross multiply
    132,300x = 198,748 × 198,748
  4. Step 4: Simplify right side
    132,300x = 39,500,767,504
  5. Step 5: Solve for x
    x = 39,500,767,504/132,300
  6. Step 6: Final answer
    x = 298,569.67

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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.