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Finding the Third Proportional to 18,545,407 and 28,368,869

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Solution

The third proportional to 18,545,407 and 28,368,869 is: 43,395,797.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545,407 : 28,368,869 = 28,368,869 : x
  2. Step 2: Convert to fraction form
    18,545,407/28,368,869 = 28,368,869/x
  3. Step 3: Cross multiply
    18,545,407x = 28,368,869 × 28,368,869
  4. Step 4: Simplify right side
    18,545,407x = 804,792,728,339,161
  5. Step 5: Solve for x
    x = 804,792,728,339,161/18,545,407
  6. Step 6: Final answer
    x = 43,395,797.59

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.