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Finding the Third Proportional to 163,270.69 and 252,289.69

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Solution

The third proportional to 163,270.69 and 252,289.69 is: 389,843.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,270.69 : 252,289.69 = 252,289.69 : x
  2. Step 2: Convert to fraction form
    163,270.69/252,289.69 = 252,289.69/x
  3. Step 3: Cross multiply
    163,270.69x = 252,289.69 × 252,289.69
  4. Step 4: Simplify right side
    163,270.69x = 63,650,086,418.85
  5. Step 5: Solve for x
    x = 63,650,086,418.85/163,270.69
  6. Step 6: Final answer
    x = 389,843.93

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.