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Finding the Third Proportional to 13,380 and 29,296.50

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Solution

The third proportional to 13,380 and 29,296.50 is: 64,146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380 : 29,296.50 = 29,296.50 : x
  2. Step 2: Convert to fraction form
    13,380/29,296.50 = 29,296.50/x
  3. Step 3: Cross multiply
    13,380x = 29,296.50 × 29,296.50
  4. Step 4: Simplify right side
    13,380x = 858,284,912.25
  5. Step 5: Solve for x
    x = 858,284,912.25/13,380
  6. Step 6: Final answer
    x = 64,146.85

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.