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Finding the Third Proportional to 913,231.13 and 1,982,080.13

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Solution

The third proportional to 913,231.13 and 1,982,080.13 is: 4,301,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,231.13 : 1,982,080.13 = 1,982,080.13 : x
  2. Step 2: Convert to fraction form
    913,231.13/1,982,080.13 = 1,982,080.13/x
  3. Step 3: Cross multiply
    913,231.13x = 1,982,080.13 × 1,982,080.13
  4. Step 4: Simplify right side
    913,231.13x = 3,928,641,621,920.02
  5. Step 5: Solve for x
    x = 3,928,641,621,920.02/913,231.13
  6. Step 6: Final answer
    x = 4,301,913.85

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.