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Finding the Third Proportional to 1,640,856.75 and 3,544,617

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Solution

The third proportional to 1,640,856.75 and 3,544,617 is: 7,657,164.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,856.75 : 3,544,617 = 3,544,617 : x
  2. Step 2: Convert to fraction form
    1,640,856.75/3,544,617 = 3,544,617/x
  3. Step 3: Cross multiply
    1,640,856.75x = 3,544,617 × 3,544,617
  4. Step 4: Simplify right side
    1,640,856.75x = 12,564,309,676,689
  5. Step 5: Solve for x
    x = 12,564,309,676,689/1,640,856.75
  6. Step 6: Final answer
    x = 7,657,164.27

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.