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Finding the Third Proportional to 9,490.50 and 18,069.75

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Solution

The third proportional to 9,490.50 and 18,069.75 is: 34,404.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,490.50 : 18,069.75 = 18,069.75 : x
  2. Step 2: Convert to fraction form
    9,490.50/18,069.75 = 18,069.75/x
  3. Step 3: Cross multiply
    9,490.50x = 18,069.75 × 18,069.75
  4. Step 4: Simplify right side
    9,490.50x = 326,515,865.06
  5. Step 5: Solve for x
    x = 326,515,865.06/9,490.50
  6. Step 6: Final answer
    x = 34,404.50

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Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.