Home / 21,120,810.75-43,860,305.25

Finding the Third Proportional to 21,120,810.75 and 43,860,305.25

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Solution

The third proportional to 21,120,810.75 and 43,860,305.25 is: 91,082,032.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,120,810.75 : 43,860,305.25 = 43,860,305.25 : x
  2. Step 2: Convert to fraction form
    21,120,810.75/43,860,305.25 = 43,860,305.25/x
  3. Step 3: Cross multiply
    21,120,810.75x = 43,860,305.25 × 43,860,305.25
  4. Step 4: Simplify right side
    21,120,810.75x = 1,923,726,376,623,177.50
  5. Step 5: Solve for x
    x = 1,923,726,376,623,177.50/21,120,810.75
  6. Step 6: Final answer
    x = 91,082,032.76

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.