Home / 1,015,786.20-2,115,647.86

Finding the Third Proportional to 1,015,786.20 and 2,115,647.86

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Solution

The third proportional to 1,015,786.20 and 2,115,647.86 is: 4,406,405.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,786.20 : 2,115,647.86 = 2,115,647.86 : x
  2. Step 2: Convert to fraction form
    1,015,786.20/2,115,647.86 = 2,115,647.86/x
  3. Step 3: Cross multiply
    1,015,786.20x = 2,115,647.86 × 2,115,647.86
  4. Step 4: Simplify right side
    1,015,786.20x = 4,475,965,864,878.02
  5. Step 5: Solve for x
    x = 4,475,965,864,878.02/1,015,786.20
  6. Step 6: Final answer
    x = 4,406,405.49

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.