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Finding the Third Proportional to 126,868.78 and 190,303.17

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Solution

The third proportional to 126,868.78 and 190,303.17 is: 285,454.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,868.78 : 190,303.17 = 190,303.17 : x
  2. Step 2: Convert to fraction form
    126,868.78/190,303.17 = 190,303.17/x
  3. Step 3: Cross multiply
    126,868.78x = 190,303.17 × 190,303.17
  4. Step 4: Simplify right side
    126,868.78x = 36,215,297,225.69
  5. Step 5: Solve for x
    x = 36,215,297,225.69/126,868.78
  6. Step 6: Final answer
    x = 285,454.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.