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Finding the Third Proportional to 12,635,838 and 19,410,021

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Solution

The third proportional to 12,635,838 and 19,410,021 is: 29,815,902.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635,838 : 19,410,021 = 19,410,021 : x
  2. Step 2: Convert to fraction form
    12,635,838/19,410,021 = 19,410,021/x
  3. Step 3: Cross multiply
    12,635,838x = 19,410,021 × 19,410,021
  4. Step 4: Simplify right side
    12,635,838x = 376,748,915,220,441
  5. Step 5: Solve for x
    x = 376,748,915,220,441/12,635,838
  6. Step 6: Final answer
    x = 29,815,902.61

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.