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Finding the Third Proportional to 236,631 and 513,187

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Solution

The third proportional to 236,631 and 513,187 is: 1,112,960.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,631 : 513,187 = 513,187 : x
  2. Step 2: Convert to fraction form
    236,631/513,187 = 513,187/x
  3. Step 3: Cross multiply
    236,631x = 513,187 × 513,187
  4. Step 4: Simplify right side
    236,631x = 263,360,896,969
  5. Step 5: Solve for x
    x = 263,360,896,969/236,631
  6. Step 6: Final answer
    x = 1,112,960.25

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.