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Finding the Third Proportional to 9,315,939 and 20,272,125

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Solution

The third proportional to 9,315,939 and 20,272,125 is: 44,113,540.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315,939 : 20,272,125 = 20,272,125 : x
  2. Step 2: Convert to fraction form
    9,315,939/20,272,125 = 20,272,125/x
  3. Step 3: Cross multiply
    9,315,939x = 20,272,125 × 20,272,125
  4. Step 4: Simplify right side
    9,315,939x = 410,959,052,015,625
  5. Step 5: Solve for x
    x = 410,959,052,015,625/9,315,939
  6. Step 6: Final answer
    x = 44,113,540.46

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.