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Finding the Third Proportional to 1,686,790 and 3,673,077.75

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Solution

The third proportional to 1,686,790 and 3,673,077.75 is: 7,998,328.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,790 : 3,673,077.75 = 3,673,077.75 : x
  2. Step 2: Convert to fraction form
    1,686,790/3,673,077.75 = 3,673,077.75/x
  3. Step 3: Cross multiply
    1,686,790x = 3,673,077.75 × 3,673,077.75
  4. Step 4: Simplify right side
    1,686,790x = 13,491,500,157,545.06
  5. Step 5: Solve for x
    x = 13,491,500,157,545.06/1,686,790
  6. Step 6: Final answer
    x = 7,998,328.28

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.