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Finding the Third Proportional to 14,211 and 20,800.50

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Solution

The third proportional to 14,211 and 20,800.50 is: 30,445.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211 : 20,800.50 = 20,800.50 : x
  2. Step 2: Convert to fraction form
    14,211/20,800.50 = 20,800.50/x
  3. Step 3: Cross multiply
    14,211x = 20,800.50 × 20,800.50
  4. Step 4: Simplify right side
    14,211x = 432,660,800.25
  5. Step 5: Solve for x
    x = 432,660,800.25/14,211
  6. Step 6: Final answer
    x = 30,445.49

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.