Home / 1,268,081.30-2,580,449.20

Finding the Third Proportional to 1,268,081.30 and 2,580,449.20

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Solution

The third proportional to 1,268,081.30 and 2,580,449.20 is: 5,251,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,081.30 : 2,580,449.20 = 2,580,449.20 : x
  2. Step 2: Convert to fraction form
    1,268,081.30/2,580,449.20 = 2,580,449.20/x
  3. Step 3: Cross multiply
    1,268,081.30x = 2,580,449.20 × 2,580,449.20
  4. Step 4: Simplify right side
    1,268,081.30x = 6,658,718,089,908.45
  5. Step 5: Solve for x
    x = 6,658,718,089,908.45/1,268,081.30
  6. Step 6: Final answer
    x = 5,251,018.30

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.