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Finding the Third Proportional to 1,325,464.31 and 2,039,864.34

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Solution

The third proportional to 1,325,464.31 and 2,039,864.34 is: 3,139,312.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,464.31 : 2,039,864.34 = 2,039,864.34 : x
  2. Step 2: Convert to fraction form
    1,325,464.31/2,039,864.34 = 2,039,864.34/x
  3. Step 3: Cross multiply
    1,325,464.31x = 2,039,864.34 × 2,039,864.34
  4. Step 4: Simplify right side
    1,325,464.31x = 4,161,046,540,902.62
  5. Step 5: Solve for x
    x = 4,161,046,540,902.62/1,325,464.31
  6. Step 6: Final answer
    x = 3,139,312.39

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.