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Finding the Third Proportional to 118,554.38 and 210,793.88

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Solution

The third proportional to 118,554.38 and 210,793.88 is: 374,798.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,554.38 : 210,793.88 = 210,793.88 : x
  2. Step 2: Convert to fraction form
    118,554.38/210,793.88 = 210,793.88/x
  3. Step 3: Cross multiply
    118,554.38x = 210,793.88 × 210,793.88
  4. Step 4: Simplify right side
    118,554.38x = 44,434,057,737.52
  5. Step 5: Solve for x
    x = 44,434,057,737.52/118,554.38
  6. Step 6: Final answer
    x = 374,798.97

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.