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Finding the Third Proportional to 8,955.56 and 13,726.97

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Solution

The third proportional to 8,955.56 and 13,726.97 is: 21,040.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.56 : 13,726.97 = 13,726.97 : x
  2. Step 2: Convert to fraction form
    8,955.56/13,726.97 = 13,726.97/x
  3. Step 3: Cross multiply
    8,955.56x = 13,726.97 × 13,726.97
  4. Step 4: Simplify right side
    8,955.56x = 188,429,671.06
  5. Step 5: Solve for x
    x = 188,429,671.06/8,955.56
  6. Step 6: Final answer
    x = 21,040.52

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.