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Finding the Third Proportional to 8,889,786 and 13,458,618

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Solution

The third proportional to 8,889,786 and 13,458,618 is: 20,375,563.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,786 : 13,458,618 = 13,458,618 : x
  2. Step 2: Convert to fraction form
    8,889,786/13,458,618 = 13,458,618/x
  3. Step 3: Cross multiply
    8,889,786x = 13,458,618 × 13,458,618
  4. Step 4: Simplify right side
    8,889,786x = 181,134,398,469,924
  5. Step 5: Solve for x
    x = 181,134,398,469,924/8,889,786
  6. Step 6: Final answer
    x = 20,375,563.42

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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.