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Finding the Third Proportional to 18,228,218 and 39,585,958

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Solution

The third proportional to 18,228,218 and 39,585,958 is: 85,968,253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228,218 : 39,585,958 = 39,585,958 : x
  2. Step 2: Convert to fraction form
    18,228,218/39,585,958 = 39,585,958/x
  3. Step 3: Cross multiply
    18,228,218x = 39,585,958 × 39,585,958
  4. Step 4: Simplify right side
    18,228,218x = 1,567,048,070,777,764
  5. Step 5: Solve for x
    x = 1,567,048,070,777,764/18,228,218
  6. Step 6: Final answer
    x = 85,968,253.77

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.