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Finding the Third Proportional to 163,212 and 229,818

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Solution

The third proportional to 163,212 and 229,818 is: 323,605.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,212 : 229,818 = 229,818 : x
  2. Step 2: Convert to fraction form
    163,212/229,818 = 229,818/x
  3. Step 3: Cross multiply
    163,212x = 229,818 × 229,818
  4. Step 4: Simplify right side
    163,212x = 52,816,313,124
  5. Step 5: Solve for x
    x = 52,816,313,124/163,212
  6. Step 6: Final answer
    x = 323,605.58

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.