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Finding the Third Proportional to 3,393,669 and 7,318,691

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Solution

The third proportional to 3,393,669 and 7,318,691 is: 15,783,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393,669 : 7,318,691 = 7,318,691 : x
  2. Step 2: Convert to fraction form
    3,393,669/7,318,691 = 7,318,691/x
  3. Step 3: Cross multiply
    3,393,669x = 7,318,691 × 7,318,691
  4. Step 4: Simplify right side
    3,393,669x = 53,563,237,953,481
  5. Step 5: Solve for x
    x = 53,563,237,953,481/3,393,669
  6. Step 6: Final answer
    x = 15,783,282.92

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.