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Finding the Third Proportional to 11,955 and 18,250.50

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Solution

The third proportional to 11,955 and 18,250.50 is: 27,861.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955 : 18,250.50 = 18,250.50 : x
  2. Step 2: Convert to fraction form
    11,955/18,250.50 = 18,250.50/x
  3. Step 3: Cross multiply
    11,955x = 18,250.50 × 18,250.50
  4. Step 4: Simplify right side
    11,955x = 333,080,750.25
  5. Step 5: Solve for x
    x = 333,080,750.25/11,955
  6. Step 6: Final answer
    x = 27,861.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.