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Finding the Third Proportional to 18,195,050 and 39,578,740

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Solution

The third proportional to 18,195,050 and 39,578,740 is: 86,093,561.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195,050 : 39,578,740 = 39,578,740 : x
  2. Step 2: Convert to fraction form
    18,195,050/39,578,740 = 39,578,740/x
  3. Step 3: Cross multiply
    18,195,050x = 39,578,740 × 39,578,740
  4. Step 4: Simplify right side
    18,195,050x = 1,566,476,659,987,600
  5. Step 5: Solve for x
    x = 1,566,476,659,987,600/18,195,050
  6. Step 6: Final answer
    x = 86,093,561.71

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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.