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Finding the Third Proportional to 169,790 and 229,770

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Solution

The third proportional to 169,790 and 229,770 is: 310,938.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,790 : 229,770 = 229,770 : x
  2. Step 2: Convert to fraction form
    169,790/229,770 = 229,770/x
  3. Step 3: Cross multiply
    169,790x = 229,770 × 229,770
  4. Step 4: Simplify right side
    169,790x = 52,794,252,900
  5. Step 5: Solve for x
    x = 52,794,252,900/169,790
  6. Step 6: Final answer
    x = 310,938.53

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.