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Finding the Third Proportional to 3,668,157 and 8,631,018

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Solution

The third proportional to 3,668,157 and 8,631,018 is: 20,308,419.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668,157 : 8,631,018 = 8,631,018 : x
  2. Step 2: Convert to fraction form
    3,668,157/8,631,018 = 8,631,018/x
  3. Step 3: Cross multiply
    3,668,157x = 8,631,018 × 8,631,018
  4. Step 4: Simplify right side
    3,668,157x = 74,494,471,716,324
  5. Step 5: Solve for x
    x = 74,494,471,716,324/3,668,157
  6. Step 6: Final answer
    x = 20,308,419.65

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.