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Finding the Third Proportional to 12,862,772 and 20,474,958

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Solution

The third proportional to 12,862,772 and 20,474,958 is: 32,592,034.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862,772 : 20,474,958 = 20,474,958 : x
  2. Step 2: Convert to fraction form
    12,862,772/20,474,958 = 20,474,958/x
  3. Step 3: Cross multiply
    12,862,772x = 20,474,958 × 20,474,958
  4. Step 4: Simplify right side
    12,862,772x = 419,223,905,101,764
  5. Step 5: Solve for x
    x = 419,223,905,101,764/12,862,772
  6. Step 6: Final answer
    x = 32,592,034.21

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.