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Finding the Third Proportional to 5,412,618 and 11,778,075

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Solution

The third proportional to 5,412,618 and 11,778,075 is: 25,629,566.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412,618 : 11,778,075 = 11,778,075 : x
  2. Step 2: Convert to fraction form
    5,412,618/11,778,075 = 11,778,075/x
  3. Step 3: Cross multiply
    5,412,618x = 11,778,075 × 11,778,075
  4. Step 4: Simplify right side
    5,412,618x = 138,723,050,705,625
  5. Step 5: Solve for x
    x = 138,723,050,705,625/5,412,618
  6. Step 6: Final answer
    x = 25,629,566.08

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.