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Finding the Third Proportional to 443,896.88 and 978,279.19

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Solution

The third proportional to 443,896.88 and 978,279.19 is: 2,155,974.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,896.88 : 978,279.19 = 978,279.19 : x
  2. Step 2: Convert to fraction form
    443,896.88/978,279.19 = 978,279.19/x
  3. Step 3: Cross multiply
    443,896.88x = 978,279.19 × 978,279.19
  4. Step 4: Simplify right side
    443,896.88x = 957,030,168,695.66
  5. Step 5: Solve for x
    x = 957,030,168,695.66/443,896.88
  6. Step 6: Final answer
    x = 2,155,974.11

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.