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Finding the Third Proportional to 9,940.88 and 21,795.75

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Solution

The third proportional to 9,940.88 and 21,795.75 is: 47,788.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.88 : 21,795.75 = 21,795.75 : x
  2. Step 2: Convert to fraction form
    9,940.88/21,795.75 = 21,795.75/x
  3. Step 3: Cross multiply
    9,940.88x = 21,795.75 × 21,795.75
  4. Step 4: Simplify right side
    9,940.88x = 475,054,718.06
  5. Step 5: Solve for x
    x = 475,054,718.06/9,940.88
  6. Step 6: Final answer
    x = 47,788.02

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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.