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Finding the Third Proportional to 1,619,637.75 and 3,544,359.75

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Solution

The third proportional to 1,619,637.75 and 3,544,359.75 is: 7,756,355.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,637.75 : 3,544,359.75 = 3,544,359.75 : x
  2. Step 2: Convert to fraction form
    1,619,637.75/3,544,359.75 = 3,544,359.75/x
  3. Step 3: Cross multiply
    1,619,637.75x = 3,544,359.75 × 3,544,359.75
  4. Step 4: Simplify right side
    1,619,637.75x = 12,562,486,037,420.06
  5. Step 5: Solve for x
    x = 12,562,486,037,420.06/1,619,637.75
  6. Step 6: Final answer
    x = 7,756,355.42

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.