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Finding the Third Proportional to 15,427,286 and 32,131,474

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Solution

The third proportional to 15,427,286 and 32,131,474 is: 66,922,439.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427,286 : 32,131,474 = 32,131,474 : x
  2. Step 2: Convert to fraction form
    15,427,286/32,131,474 = 32,131,474/x
  3. Step 3: Cross multiply
    15,427,286x = 32,131,474 × 32,131,474
  4. Step 4: Simplify right side
    15,427,286x = 1,032,431,621,412,676
  5. Step 5: Solve for x
    x = 1,032,431,621,412,676/15,427,286
  6. Step 6: Final answer
    x = 66,922,439.98

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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.