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Finding the Third Proportional to 198,204 and 306,052.50

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Solution

The third proportional to 198,204 and 306,052.50 is: 472,584.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,204 : 306,052.50 = 306,052.50 : x
  2. Step 2: Convert to fraction form
    198,204/306,052.50 = 306,052.50/x
  3. Step 3: Cross multiply
    198,204x = 306,052.50 × 306,052.50
  4. Step 4: Simplify right side
    198,204x = 93,668,132,756.25
  5. Step 5: Solve for x
    x = 93,668,132,756.25/198,204
  6. Step 6: Final answer
    x = 472,584.47

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.