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Finding the Third Proportional to 3,933,165 and 8,646,852

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Solution

The third proportional to 3,933,165 and 8,646,852 is: 19,009,639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933,165 : 8,646,852 = 8,646,852 : x
  2. Step 2: Convert to fraction form
    3,933,165/8,646,852 = 8,646,852/x
  3. Step 3: Cross multiply
    3,933,165x = 8,646,852 × 8,646,852
  4. Step 4: Simplify right side
    3,933,165x = 74,768,049,509,904
  5. Step 5: Solve for x
    x = 74,768,049,509,904/3,933,165
  6. Step 6: Final answer
    x = 19,009,639.69

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.