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Finding the Third Proportional to 18,867,951 and 40,426,734

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Solution

The third proportional to 18,867,951 and 40,426,734 is: 86,618,882.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,867,951 : 40,426,734 = 40,426,734 : x
  2. Step 2: Convert to fraction form
    18,867,951/40,426,734 = 40,426,734/x
  3. Step 3: Cross multiply
    18,867,951x = 40,426,734 × 40,426,734
  4. Step 4: Simplify right side
    18,867,951x = 1,634,320,821,906,756
  5. Step 5: Solve for x
    x = 1,634,320,821,906,756/18,867,951
  6. Step 6: Final answer
    x = 86,618,882.03

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.