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Finding the Third Proportional to 89,605,800 and 140,797,899

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Solution

The third proportional to 89,605,800 and 140,797,899 is: 221,236,218.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,605,800 : 140,797,899 = 140,797,899 : x
  2. Step 2: Convert to fraction form
    89,605,800/140,797,899 = 140,797,899/x
  3. Step 3: Cross multiply
    89,605,800x = 140,797,899 × 140,797,899
  4. Step 4: Simplify right side
    89,605,800x = 19,824,048,362,814,200
  5. Step 5: Solve for x
    x = 19,824,048,362,814,200/89,605,800
  6. Step 6: Final answer
    x = 221,236,218.67

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.