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Finding the Third Proportional to 21,568,991.50 and 30,338,430

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Solution

The third proportional to 21,568,991.50 and 30,338,430 is: 42,673,313.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,568,991.50 : 30,338,430 = 30,338,430 : x
  2. Step 2: Convert to fraction form
    21,568,991.50/30,338,430 = 30,338,430/x
  3. Step 3: Cross multiply
    21,568,991.50x = 30,338,430 × 30,338,430
  4. Step 4: Simplify right side
    21,568,991.50x = 920,420,334,864,900
  5. Step 5: Solve for x
    x = 920,420,334,864,900/21,568,991.50
  6. Step 6: Final answer
    x = 42,673,313.44

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.