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Finding the Third Proportional to 1,185,900.75 and 2,586,469.22

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Solution

The third proportional to 1,185,900.75 and 2,586,469.22 is: 5,641,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,900.75 : 2,586,469.22 = 2,586,469.22 : x
  2. Step 2: Convert to fraction form
    1,185,900.75/2,586,469.22 = 2,586,469.22/x
  3. Step 3: Cross multiply
    1,185,900.75x = 2,586,469.22 × 2,586,469.22
  4. Step 4: Simplify right side
    1,185,900.75x = 6,689,823,019,541.24
  5. Step 5: Solve for x
    x = 6,689,823,019,541.24/1,185,900.75
  6. Step 6: Final answer
    x = 5,641,132.30

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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.