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Finding the Third Proportional to 4,279,770.75 and 8,709,008.81

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Solution

The third proportional to 4,279,770.75 and 8,709,008.81 is: 17,722,172.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279,770.75 : 8,709,008.81 = 8,709,008.81 : x
  2. Step 2: Convert to fraction form
    4,279,770.75/8,709,008.81 = 8,709,008.81/x
  3. Step 3: Cross multiply
    4,279,770.75x = 8,709,008.81 × 8,709,008.81
  4. Step 4: Simplify right side
    4,279,770.75x = 75,846,834,496,202.66
  5. Step 5: Solve for x
    x = 75,846,834,496,202.66/4,279,770.75
  6. Step 6: Final answer
    x = 17,722,172.27

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.