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Finding the Third Proportional to 73,272 and 155,544

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Solution

The third proportional to 73,272 and 155,544 is: 330,193.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,272 : 155,544 = 155,544 : x
  2. Step 2: Convert to fraction form
    73,272/155,544 = 155,544/x
  3. Step 3: Cross multiply
    73,272x = 155,544 × 155,544
  4. Step 4: Simplify right side
    73,272x = 24,193,935,936
  5. Step 5: Solve for x
    x = 24,193,935,936/73,272
  6. Step 6: Final answer
    x = 330,193.47

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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.