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Finding the Third Proportional to 14,336.50 and 21,720.75

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Solution

The third proportional to 14,336.50 and 21,720.75 is: 32,908.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,336.50 : 21,720.75 = 21,720.75 : x
  2. Step 2: Convert to fraction form
    14,336.50/21,720.75 = 21,720.75/x
  3. Step 3: Cross multiply
    14,336.50x = 21,720.75 × 21,720.75
  4. Step 4: Simplify right side
    14,336.50x = 471,790,980.56
  5. Step 5: Solve for x
    x = 471,790,980.56/14,336.50
  6. Step 6: Final answer
    x = 32,908.38

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.