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Finding the Third Proportional to 1,982,891.81 and 2,675,389.50

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Solution

The third proportional to 1,982,891.81 and 2,675,389.50 is: 3,609,732.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,891.81 : 2,675,389.50 = 2,675,389.50 : x
  2. Step 2: Convert to fraction form
    1,982,891.81/2,675,389.50 = 2,675,389.50/x
  3. Step 3: Cross multiply
    1,982,891.81x = 2,675,389.50 × 2,675,389.50
  4. Step 4: Simplify right side
    1,982,891.81x = 7,157,708,976,710.25
  5. Step 5: Solve for x
    x = 7,157,708,976,710.25/1,982,891.81
  6. Step 6: Final answer
    x = 3,609,732.48

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.