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Finding the Third Proportional to 8,628,375.66 and 18,468,759.38

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Solution

The third proportional to 8,628,375.66 and 18,468,759.38 is: 39,531,782.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628,375.66 : 18,468,759.38 = 18,468,759.38 : x
  2. Step 2: Convert to fraction form
    8,628,375.66/18,468,759.38 = 18,468,759.38/x
  3. Step 3: Cross multiply
    8,628,375.66x = 18,468,759.38 × 18,468,759.38
  4. Step 4: Simplify right side
    8,628,375.66x = 341,095,072,851,650.38
  5. Step 5: Solve for x
    x = 341,095,072,851,650.38/8,628,375.66
  6. Step 6: Final answer
    x = 39,531,782.86

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.