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Finding the Third Proportional to 1,082,188.50 and 1,682,228.25

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Solution

The third proportional to 1,082,188.50 and 1,682,228.25 is: 2,614,971.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,188.50 : 1,682,228.25 = 1,682,228.25 : x
  2. Step 2: Convert to fraction form
    1,082,188.50/1,682,228.25 = 1,682,228.25/x
  3. Step 3: Cross multiply
    1,082,188.50x = 1,682,228.25 × 1,682,228.25
  4. Step 4: Simplify right side
    1,082,188.50x = 2,829,891,885,098.06
  5. Step 5: Solve for x
    x = 2,829,891,885,098.06/1,082,188.50
  6. Step 6: Final answer
    x = 2,614,971.32

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.