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Finding the Third Proportional to 100,028.25 and 154,834.88

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Solution

The third proportional to 100,028.25 and 154,834.88 is: 239,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,028.25 : 154,834.88 = 154,834.88 : x
  2. Step 2: Convert to fraction form
    100,028.25/154,834.88 = 154,834.88/x
  3. Step 3: Cross multiply
    100,028.25x = 154,834.88 × 154,834.88
  4. Step 4: Simplify right side
    100,028.25x = 23,973,838,516.27
  5. Step 5: Solve for x
    x = 23,973,838,516.27/100,028.25
  6. Step 6: Final answer
    x = 239,670.68

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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.