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Finding the Third Proportional to 14,190 and 30,836

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Solution

The third proportional to 14,190 and 30,836 is: 67,009.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190 : 30,836 = 30,836 : x
  2. Step 2: Convert to fraction form
    14,190/30,836 = 30,836/x
  3. Step 3: Cross multiply
    14,190x = 30,836 × 30,836
  4. Step 4: Simplify right side
    14,190x = 950,858,896
  5. Step 5: Solve for x
    x = 950,858,896/14,190
  6. Step 6: Final answer
    x = 67,009.08

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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.