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Finding the Third Proportional to 148,351.50 and 170,221.50

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Solution

The third proportional to 148,351.50 and 170,221.50 is: 195,315.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,351.50 : 170,221.50 = 170,221.50 : x
  2. Step 2: Convert to fraction form
    148,351.50/170,221.50 = 170,221.50/x
  3. Step 3: Cross multiply
    148,351.50x = 170,221.50 × 170,221.50
  4. Step 4: Simplify right side
    148,351.50x = 28,975,359,062.25
  5. Step 5: Solve for x
    x = 28,975,359,062.25/148,351.50
  6. Step 6: Final answer
    x = 195,315.58

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.