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Finding the Third Proportional to 17,130 and 36,814

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Solution

The third proportional to 17,130 and 36,814 is: 79,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,130 : 36,814 = 36,814 : x
  2. Step 2: Convert to fraction form
    17,130/36,814 = 36,814/x
  3. Step 3: Cross multiply
    17,130x = 36,814 × 36,814
  4. Step 4: Simplify right side
    17,130x = 1,355,270,596
  5. Step 5: Solve for x
    x = 1,355,270,596/17,130
  6. Step 6: Final answer
    x = 79,116.79

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.