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Finding the Third Proportional to 69,242,238 and 149,974,812

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Solution

The third proportional to 69,242,238 and 149,974,812 is: 324,837,048.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,242,238 : 149,974,812 = 149,974,812 : x
  2. Step 2: Convert to fraction form
    69,242,238/149,974,812 = 149,974,812/x
  3. Step 3: Cross multiply
    69,242,238x = 149,974,812 × 149,974,812
  4. Step 4: Simplify right side
    69,242,238x = 22,492,444,234,435,344
  5. Step 5: Solve for x
    x = 22,492,444,234,435,344/69,242,238
  6. Step 6: Final answer
    x = 324,837,048.66

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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.