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Finding the Third Proportional to 125,631 and 198,348.75

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Solution

The third proportional to 125,631 and 198,348.75 is: 313,157.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,631 : 198,348.75 = 198,348.75 : x
  2. Step 2: Convert to fraction form
    125,631/198,348.75 = 198,348.75/x
  3. Step 3: Cross multiply
    125,631x = 198,348.75 × 198,348.75
  4. Step 4: Simplify right side
    125,631x = 39,342,226,626.56
  5. Step 5: Solve for x
    x = 39,342,226,626.56/125,631
  6. Step 6: Final answer
    x = 313,157.00

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.