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Finding the Third Proportional to 122,816.25 and 195,294.38

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Solution

The third proportional to 122,816.25 and 195,294.38 is: 310,544.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,816.25 : 195,294.38 = 195,294.38 : x
  2. Step 2: Convert to fraction form
    122,816.25/195,294.38 = 195,294.38/x
  3. Step 3: Cross multiply
    122,816.25x = 195,294.38 × 195,294.38
  4. Step 4: Simplify right side
    122,816.25x = 38,139,892,906.64
  5. Step 5: Solve for x
    x = 38,139,892,906.64/122,816.25
  6. Step 6: Final answer
    x = 310,544.35

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.