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Finding the Third Proportional to 69,030,550 and 149,794,940

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Solution

The third proportional to 69,030,550 and 149,794,940 is: 325,052,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,030,550 : 149,794,940 = 149,794,940 : x
  2. Step 2: Convert to fraction form
    69,030,550/149,794,940 = 149,794,940/x
  3. Step 3: Cross multiply
    69,030,550x = 149,794,940 × 149,794,940
  4. Step 4: Simplify right side
    69,030,550x = 22,438,524,049,603,600
  5. Step 5: Solve for x
    x = 22,438,524,049,603,600/69,030,550
  6. Step 6: Final answer
    x = 325,052,082.73

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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.