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Finding the Third Proportional to 192,411 and 302,238

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Solution

The third proportional to 192,411 and 302,238 is: 474,753.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,411 : 302,238 = 302,238 : x
  2. Step 2: Convert to fraction form
    192,411/302,238 = 302,238/x
  3. Step 3: Cross multiply
    192,411x = 302,238 × 302,238
  4. Step 4: Simplify right side
    192,411x = 91,347,808,644
  5. Step 5: Solve for x
    x = 91,347,808,644/192,411
  6. Step 6: Final answer
    x = 474,753.57

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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.