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Finding the Third Proportional to 17,317 and 36,937

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Solution

The third proportional to 17,317 and 36,937 is: 78,786.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,317 : 36,937 = 36,937 : x
  2. Step 2: Convert to fraction form
    17,317/36,937 = 36,937/x
  3. Step 3: Cross multiply
    17,317x = 36,937 × 36,937
  4. Step 4: Simplify right side
    17,317x = 1,364,341,969
  5. Step 5: Solve for x
    x = 1,364,341,969/17,317
  6. Step 6: Final answer
    x = 78,786.28

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.