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Finding the Third Proportional to 3,787,778 and 8,137,732

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Solution

The third proportional to 3,787,778 and 8,137,732 is: 17,483,253.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787,778 : 8,137,732 = 8,137,732 : x
  2. Step 2: Convert to fraction form
    3,787,778/8,137,732 = 8,137,732/x
  3. Step 3: Cross multiply
    3,787,778x = 8,137,732 × 8,137,732
  4. Step 4: Simplify right side
    3,787,778x = 66,222,682,103,824
  5. Step 5: Solve for x
    x = 66,222,682,103,824/3,787,778
  6. Step 6: Final answer
    x = 17,483,253.27

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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.