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Finding the Third Proportional to 197,698.50 and 306,389.25

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Solution

The third proportional to 197,698.50 and 306,389.25 is: 474,836.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,698.50 : 306,389.25 = 306,389.25 : x
  2. Step 2: Convert to fraction form
    197,698.50/306,389.25 = 306,389.25/x
  3. Step 3: Cross multiply
    197,698.50x = 306,389.25 × 306,389.25
  4. Step 4: Simplify right side
    197,698.50x = 93,874,372,515.56
  5. Step 5: Solve for x
    x = 93,874,372,515.56/197,698.50
  6. Step 6: Final answer
    x = 474,836.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.