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Finding the Third Proportional to 165,121.50 and 195,010.50

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Solution

The third proportional to 165,121.50 and 195,010.50 is: 230,309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,121.50 : 195,010.50 = 195,010.50 : x
  2. Step 2: Convert to fraction form
    165,121.50/195,010.50 = 195,010.50/x
  3. Step 3: Cross multiply
    165,121.50x = 195,010.50 × 195,010.50
  4. Step 4: Simplify right side
    165,121.50x = 38,029,095,110.25
  5. Step 5: Solve for x
    x = 38,029,095,110.25/165,121.50
  6. Step 6: Final answer
    x = 230,309.77

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.