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Finding the Third Proportional to 19,156.50 and 28,761.19

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Solution

The third proportional to 19,156.50 and 28,761.19 is: 43,181.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156.50 : 28,761.19 = 28,761.19 : x
  2. Step 2: Convert to fraction form
    19,156.50/28,761.19 = 28,761.19/x
  3. Step 3: Cross multiply
    19,156.50x = 28,761.19 × 28,761.19
  4. Step 4: Simplify right side
    19,156.50x = 827,205,906.41
  5. Step 5: Solve for x
    x = 827,205,906.41/19,156.50
  6. Step 6: Final answer
    x = 43,181.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.