Home / 8,521,878.38-13,222,451.81

Finding the Third Proportional to 8,521,878.38 and 13,222,451.81

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Solution

The third proportional to 8,521,878.38 and 13,222,451.81 is: 20,515,809.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521,878.38 : 13,222,451.81 = 13,222,451.81 : x
  2. Step 2: Convert to fraction form
    8,521,878.38/13,222,451.81 = 13,222,451.81/x
  3. Step 3: Cross multiply
    8,521,878.38x = 13,222,451.81 × 13,222,451.81
  4. Step 4: Simplify right side
    8,521,878.38x = 174,833,231,933,884.53
  5. Step 5: Solve for x
    x = 174,833,231,933,884.53/8,521,878.38
  6. Step 6: Final answer
    x = 20,515,809.34

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.