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Finding the Third Proportional to 12,274.88 and 18,878.06

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Solution

The third proportional to 12,274.88 and 18,878.06 is: 29,033.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274.88 : 18,878.06 = 18,878.06 : x
  2. Step 2: Convert to fraction form
    12,274.88/18,878.06 = 18,878.06/x
  3. Step 3: Cross multiply
    12,274.88x = 18,878.06 × 18,878.06
  4. Step 4: Simplify right side
    12,274.88x = 356,381,243.75
  5. Step 5: Solve for x
    x = 356,381,243.75/12,274.88
  6. Step 6: Final answer
    x = 29,033.39

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.