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Finding the Third Proportional to 8,647,442 and 18,771,748

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Solution

The third proportional to 8,647,442 and 18,771,748 is: 40,749,452.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647,442 : 18,771,748 = 18,771,748 : x
  2. Step 2: Convert to fraction form
    8,647,442/18,771,748 = 18,771,748/x
  3. Step 3: Cross multiply
    8,647,442x = 18,771,748 × 18,771,748
  4. Step 4: Simplify right side
    8,647,442x = 352,378,522,975,504
  5. Step 5: Solve for x
    x = 352,378,522,975,504/8,647,442
  6. Step 6: Final answer
    x = 40,749,452.03

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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.