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Finding the Third Proportional to 100,336 and 155,446

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Solution

The third proportional to 100,336 and 155,446 is: 240,825.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,336 : 155,446 = 155,446 : x
  2. Step 2: Convert to fraction form
    100,336/155,446 = 155,446/x
  3. Step 3: Cross multiply
    100,336x = 155,446 × 155,446
  4. Step 4: Simplify right side
    100,336x = 24,163,458,916
  5. Step 5: Solve for x
    x = 24,163,458,916/100,336
  6. Step 6: Final answer
    x = 240,825.42

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.