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Finding the Third Proportional to 3,323,397 and 7,213,991

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Solution

The third proportional to 3,323,397 and 7,213,991 is: 15,659,178.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323,397 : 7,213,991 = 7,213,991 : x
  2. Step 2: Convert to fraction form
    3,323,397/7,213,991 = 7,213,991/x
  3. Step 3: Cross multiply
    3,323,397x = 7,213,991 × 7,213,991
  4. Step 4: Simplify right side
    3,323,397x = 52,041,666,148,081
  5. Step 5: Solve for x
    x = 52,041,666,148,081/3,323,397
  6. Step 6: Final answer
    x = 15,659,178.29

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.