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Finding the Third Proportional to 198,594 and 277,800

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Solution

The third proportional to 198,594 and 277,800 is: 388,596.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,594 : 277,800 = 277,800 : x
  2. Step 2: Convert to fraction form
    198,594/277,800 = 277,800/x
  3. Step 3: Cross multiply
    198,594x = 277,800 × 277,800
  4. Step 4: Simplify right side
    198,594x = 77,172,840,000
  5. Step 5: Solve for x
    x = 77,172,840,000/198,594
  6. Step 6: Final answer
    x = 388,596.03

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.