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Finding the Third Proportional to 8,418,908 and 18,185,004

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Solution

The third proportional to 8,418,908 and 18,185,004 is: 39,279,960.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418,908 : 18,185,004 = 18,185,004 : x
  2. Step 2: Convert to fraction form
    8,418,908/18,185,004 = 18,185,004/x
  3. Step 3: Cross multiply
    8,418,908x = 18,185,004 × 18,185,004
  4. Step 4: Simplify right side
    8,418,908x = 330,694,370,480,016
  5. Step 5: Solve for x
    x = 330,694,370,480,016/8,418,908
  6. Step 6: Final answer
    x = 39,279,960.12

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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.