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Finding the Third Proportional to 12,369,739 and 18,874,548

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Solution

The third proportional to 12,369,739 and 18,874,548 is: 28,800,006.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369,739 : 18,874,548 = 18,874,548 : x
  2. Step 2: Convert to fraction form
    12,369,739/18,874,548 = 18,874,548/x
  3. Step 3: Cross multiply
    12,369,739x = 18,874,548 × 18,874,548
  4. Step 4: Simplify right side
    12,369,739x = 356,248,562,204,304
  5. Step 5: Solve for x
    x = 356,248,562,204,304/12,369,739
  6. Step 6: Final answer
    x = 28,800,006.39

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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.