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Finding the Third Proportional to 21,275,136 and 43,804,800

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Solution

The third proportional to 21,275,136 and 43,804,800 is: 90,192,631.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,275,136 : 43,804,800 = 43,804,800 : x
  2. Step 2: Convert to fraction form
    21,275,136/43,804,800 = 43,804,800/x
  3. Step 3: Cross multiply
    21,275,136x = 43,804,800 × 43,804,800
  4. Step 4: Simplify right side
    21,275,136x = 1,918,860,503,040,000
  5. Step 5: Solve for x
    x = 1,918,860,503,040,000/21,275,136
  6. Step 6: Final answer
    x = 90,192,631.58

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.