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Finding the Third Proportional to 198,357 and 297,975.75

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Solution

The third proportional to 198,357 and 297,975.75 is: 447,624.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,357 : 297,975.75 = 297,975.75 : x
  2. Step 2: Convert to fraction form
    198,357/297,975.75 = 297,975.75/x
  3. Step 3: Cross multiply
    198,357x = 297,975.75 × 297,975.75
  4. Step 4: Simplify right side
    198,357x = 88,789,547,588.06
  5. Step 5: Solve for x
    x = 88,789,547,588.06/198,357
  6. Step 6: Final answer
    x = 447,624.98

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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.