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Finding the Third Proportional to 12,218,460 and 18,116,268

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Solution

The third proportional to 12,218,460 and 18,116,268 is: 26,860,927.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,218,460 : 18,116,268 = 18,116,268 : x
  2. Step 2: Convert to fraction form
    12,218,460/18,116,268 = 18,116,268/x
  3. Step 3: Cross multiply
    12,218,460x = 18,116,268 × 18,116,268
  4. Step 4: Simplify right side
    12,218,460x = 328,199,166,247,824
  5. Step 5: Solve for x
    x = 328,199,166,247,824/12,218,460
  6. Step 6: Final answer
    x = 26,860,927.34

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.