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Finding the Third Proportional to 12,616,824 and 18,904,172

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Solution

The third proportional to 12,616,824 and 18,904,172 is: 28,324,697.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,616,824 : 18,904,172 = 18,904,172 : x
  2. Step 2: Convert to fraction form
    12,616,824/18,904,172 = 18,904,172/x
  3. Step 3: Cross multiply
    12,616,824x = 18,904,172 × 18,904,172
  4. Step 4: Simplify right side
    12,616,824x = 357,367,719,005,584
  5. Step 5: Solve for x
    x = 357,367,719,005,584/12,616,824
  6. Step 6: Final answer
    x = 28,324,697.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.