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Finding the Third Proportional to 1,659,507.75 and 3,620,608.88

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Solution

The third proportional to 1,659,507.75 and 3,620,608.88 is: 7,899,215.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,507.75 : 3,620,608.88 = 3,620,608.88 : x
  2. Step 2: Convert to fraction form
    1,659,507.75/3,620,608.88 = 3,620,608.88/x
  3. Step 3: Cross multiply
    1,659,507.75x = 3,620,608.88 × 3,620,608.88
  4. Step 4: Simplify right side
    1,659,507.75x = 13,108,808,625,728.77
  5. Step 5: Solve for x
    x = 13,108,808,625,728.77/1,659,507.75
  6. Step 6: Final answer
    x = 7,899,215.07

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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.