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Finding the Third Proportional to 20,740,965 and 29,878,059

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Solution

The third proportional to 20,740,965 and 29,878,059 is: 43,040,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,740,965 : 29,878,059 = 29,878,059 : x
  2. Step 2: Convert to fraction form
    20,740,965/29,878,059 = 29,878,059/x
  3. Step 3: Cross multiply
    20,740,965x = 29,878,059 × 29,878,059
  4. Step 4: Simplify right side
    20,740,965x = 892,698,409,607,481
  5. Step 5: Solve for x
    x = 892,698,409,607,481/20,740,965
  6. Step 6: Final answer
    x = 43,040,350.80

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.