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Finding the Third Proportional to 12,698,266 and 19,161,879

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Solution

The third proportional to 12,698,266 and 19,161,879 is: 28,915,570.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698,266 : 19,161,879 = 19,161,879 : x
  2. Step 2: Convert to fraction form
    12,698,266/19,161,879 = 19,161,879/x
  3. Step 3: Cross multiply
    12,698,266x = 19,161,879 × 19,161,879
  4. Step 4: Simplify right side
    12,698,266x = 367,177,606,810,641
  5. Step 5: Solve for x
    x = 367,177,606,810,641/12,698,266
  6. Step 6: Final answer
    x = 28,915,570.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.