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Finding the Third Proportional to 36,472 and 79,272

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Solution

The third proportional to 36,472 and 79,272 is: 172,297.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,472 : 79,272 = 79,272 : x
  2. Step 2: Convert to fraction form
    36,472/79,272 = 79,272/x
  3. Step 3: Cross multiply
    36,472x = 79,272 × 79,272
  4. Step 4: Simplify right side
    36,472x = 6,284,049,984
  5. Step 5: Solve for x
    x = 6,284,049,984/36,472
  6. Step 6: Final answer
    x = 172,297.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.