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Finding the Third Proportional to 8,361,840 and 18,318,024

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Solution

The third proportional to 8,361,840 and 18,318,024 is: 40,128,728.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361,840 : 18,318,024 = 18,318,024 : x
  2. Step 2: Convert to fraction form
    8,361,840/18,318,024 = 18,318,024/x
  3. Step 3: Cross multiply
    8,361,840x = 18,318,024 × 18,318,024
  4. Step 4: Simplify right side
    8,361,840x = 335,550,003,264,576
  5. Step 5: Solve for x
    x = 335,550,003,264,576/8,361,840
  6. Step 6: Final answer
    x = 40,128,728.04

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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.