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Finding the Third Proportional to 12,213,796 and 18,607,239

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Solution

The third proportional to 12,213,796 and 18,607,239 is: 28,347,398.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,213,796 : 18,607,239 = 18,607,239 : x
  2. Step 2: Convert to fraction form
    12,213,796/18,607,239 = 18,607,239/x
  3. Step 3: Cross multiply
    12,213,796x = 18,607,239 × 18,607,239
  4. Step 4: Simplify right side
    12,213,796x = 346,229,343,203,121
  5. Step 5: Solve for x
    x = 346,229,343,203,121/12,213,796
  6. Step 6: Final answer
    x = 28,347,398.56

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.