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Finding the Third Proportional to 4,008,015 and 8,910,391.50

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Solution

The third proportional to 4,008,015 and 8,910,391.50 is: 19,809,076.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,008,015 : 8,910,391.50 = 8,910,391.50 : x
  2. Step 2: Convert to fraction form
    4,008,015/8,910,391.50 = 8,910,391.50/x
  3. Step 3: Cross multiply
    4,008,015x = 8,910,391.50 × 8,910,391.50
  4. Step 4: Simplify right side
    4,008,015x = 79,395,076,683,272.25
  5. Step 5: Solve for x
    x = 79,395,076,683,272.25/4,008,015
  6. Step 6: Final answer
    x = 19,809,076.73

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.