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Finding the Third Proportional to 10,061,991 and 15,690,859

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Solution

The third proportional to 10,061,991 and 15,690,859 is: 24,468,622.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,061,991 : 15,690,859 = 15,690,859 : x
  2. Step 2: Convert to fraction form
    10,061,991/15,690,859 = 15,690,859/x
  3. Step 3: Cross multiply
    10,061,991x = 15,690,859 × 15,690,859
  4. Step 4: Simplify right side
    10,061,991x = 246,203,056,157,881
  5. Step 5: Solve for x
    x = 246,203,056,157,881/10,061,991
  6. Step 6: Final answer
    x = 24,468,622.18

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.