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Finding the Third Proportional to 43,068,812 and 66,199,740

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Solution

The third proportional to 43,068,812 and 66,199,740 is: 101,753,574.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,068,812 : 66,199,740 = 66,199,740 : x
  2. Step 2: Convert to fraction form
    43,068,812/66,199,740 = 66,199,740/x
  3. Step 3: Cross multiply
    43,068,812x = 66,199,740 × 66,199,740
  4. Step 4: Simplify right side
    43,068,812x = 4,382,405,576,067,600
  5. Step 5: Solve for x
    x = 4,382,405,576,067,600/43,068,812
  6. Step 6: Final answer
    x = 101,753,574.63

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.