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Finding the Third Proportional to 8,361,842 and 18,318,028

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Solution

The third proportional to 8,361,842 and 18,318,028 is: 40,128,735.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361,842 : 18,318,028 = 18,318,028 : x
  2. Step 2: Convert to fraction form
    8,361,842/18,318,028 = 18,318,028/x
  3. Step 3: Cross multiply
    8,361,842x = 18,318,028 × 18,318,028
  4. Step 4: Simplify right side
    8,361,842x = 335,550,149,808,784
  5. Step 5: Solve for x
    x = 335,550,149,808,784/8,361,842
  6. Step 6: Final answer
    x = 40,128,735.97

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.