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Finding the Third Proportional to 40,366,979 and 61,032,149

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Solution

The third proportional to 40,366,979 and 61,032,149 is: 92,276,491.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,366,979 : 61,032,149 = 61,032,149 : x
  2. Step 2: Convert to fraction form
    40,366,979/61,032,149 = 61,032,149/x
  3. Step 3: Cross multiply
    40,366,979x = 61,032,149 × 61,032,149
  4. Step 4: Simplify right side
    40,366,979x = 3,724,923,211,558,201
  5. Step 5: Solve for x
    x = 3,724,923,211,558,201/40,366,979
  6. Step 6: Final answer
    x = 92,276,491.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.