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Finding the Third Proportional to 1,816,142.50 and 3,986,526

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Solution

The third proportional to 1,816,142.50 and 3,986,526 is: 8,750,629.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,142.50 : 3,986,526 = 3,986,526 : x
  2. Step 2: Convert to fraction form
    1,816,142.50/3,986,526 = 3,986,526/x
  3. Step 3: Cross multiply
    1,816,142.50x = 3,986,526 × 3,986,526
  4. Step 4: Simplify right side
    1,816,142.50x = 15,892,389,548,676
  5. Step 5: Solve for x
    x = 15,892,389,548,676/1,816,142.50
  6. Step 6: Final answer
    x = 8,750,629.18

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.