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Finding the Third Proportional to 11,453 and 16,339.50

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Solution

The third proportional to 11,453 and 16,339.50 is: 23,310.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453 : 16,339.50 = 16,339.50 : x
  2. Step 2: Convert to fraction form
    11,453/16,339.50 = 16,339.50/x
  3. Step 3: Cross multiply
    11,453x = 16,339.50 × 16,339.50
  4. Step 4: Simplify right side
    11,453x = 266,979,260.25
  5. Step 5: Solve for x
    x = 266,979,260.25/11,453
  6. Step 6: Final answer
    x = 23,310.86

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.