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Finding the Third Proportional to 103,420 and 223,344

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Solution

The third proportional to 103,420 and 223,344 is: 482,329.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,420 : 223,344 = 223,344 : x
  2. Step 2: Convert to fraction form
    103,420/223,344 = 223,344/x
  3. Step 3: Cross multiply
    103,420x = 223,344 × 223,344
  4. Step 4: Simplify right side
    103,420x = 49,882,542,336
  5. Step 5: Solve for x
    x = 49,882,542,336/103,420
  6. Step 6: Final answer
    x = 482,329.75

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.