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Finding the Third Proportional to 45,437,880 and 99,959,856

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Solution

The third proportional to 45,437,880 and 99,959,856 is: 219,904,027.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,437,880 : 99,959,856 = 99,959,856 : x
  2. Step 2: Convert to fraction form
    45,437,880/99,959,856 = 99,959,856/x
  3. Step 3: Cross multiply
    45,437,880x = 99,959,856 × 99,959,856
  4. Step 4: Simplify right side
    45,437,880x = 9,991,972,811,540,736
  5. Step 5: Solve for x
    x = 9,991,972,811,540,736/45,437,880
  6. Step 6: Final answer
    x = 219,904,027.47

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.