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Finding the Third Proportional to 9,696.14 and 20,922.80

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Solution

The third proportional to 9,696.14 and 20,922.80 is: 45,148.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,696.14 : 20,922.80 = 20,922.80 : x
  2. Step 2: Convert to fraction form
    9,696.14/20,922.80 = 20,922.80/x
  3. Step 3: Cross multiply
    9,696.14x = 20,922.80 × 20,922.80
  4. Step 4: Simplify right side
    9,696.14x = 437,763,490.37
  5. Step 5: Solve for x
    x = 437,763,490.37/9,696.14
  6. Step 6: Final answer
    x = 45,148.24

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.