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Finding the Third Proportional to 169,834 and 359,897

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Solution

The third proportional to 169,834 and 359,897 is: 762,661.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,834 : 359,897 = 359,897 : x
  2. Step 2: Convert to fraction form
    169,834/359,897 = 359,897/x
  3. Step 3: Cross multiply
    169,834x = 359,897 × 359,897
  4. Step 4: Simplify right side
    169,834x = 129,525,850,609
  5. Step 5: Solve for x
    x = 129,525,850,609/169,834
  6. Step 6: Final answer
    x = 762,661.48

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.