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Finding the Third Proportional to 102,462 and 209,994

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Solution

The third proportional to 102,462 and 209,994 is: 430,378.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,462 : 209,994 = 209,994 : x
  2. Step 2: Convert to fraction form
    102,462/209,994 = 209,994/x
  3. Step 3: Cross multiply
    102,462x = 209,994 × 209,994
  4. Step 4: Simplify right side
    102,462x = 44,097,480,036
  5. Step 5: Solve for x
    x = 44,097,480,036/102,462
  6. Step 6: Final answer
    x = 430,378.87

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.