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Finding the Third Proportional to 27,270 and 43,497

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Solution

The third proportional to 27,270 and 43,497 is: 69,379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,270 : 43,497 = 43,497 : x
  2. Step 2: Convert to fraction form
    27,270/43,497 = 43,497/x
  3. Step 3: Cross multiply
    27,270x = 43,497 × 43,497
  4. Step 4: Simplify right side
    27,270x = 1,891,989,009
  5. Step 5: Solve for x
    x = 1,891,989,009/27,270
  6. Step 6: Final answer
    x = 69,379.87

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.