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Finding the Third Proportional to 12,417,018 and 18,549,057

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Solution

The third proportional to 12,417,018 and 18,549,057 is: 27,709,351.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,417,018 : 18,549,057 = 18,549,057 : x
  2. Step 2: Convert to fraction form
    12,417,018/18,549,057 = 18,549,057/x
  3. Step 3: Cross multiply
    12,417,018x = 18,549,057 × 18,549,057
  4. Step 4: Simplify right side
    12,417,018x = 344,067,515,589,249
  5. Step 5: Solve for x
    x = 344,067,515,589,249/12,417,018
  6. Step 6: Final answer
    x = 27,709,351.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.