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Finding the Third Proportional to 192,639.75 and 302,184

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Solution

The third proportional to 192,639.75 and 302,184 is: 474,020.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,639.75 : 302,184 = 302,184 : x
  2. Step 2: Convert to fraction form
    192,639.75/302,184 = 302,184/x
  3. Step 3: Cross multiply
    192,639.75x = 302,184 × 302,184
  4. Step 4: Simplify right side
    192,639.75x = 91,315,169,856
  5. Step 5: Solve for x
    x = 91,315,169,856/192,639.75
  6. Step 6: Final answer
    x = 474,020.39

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.