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Finding the Third Proportional to 2,619,218.25 and 3,912,693.75

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Solution

The third proportional to 2,619,218.25 and 3,912,693.75 is: 5,844,939.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619,218.25 : 3,912,693.75 = 3,912,693.75 : x
  2. Step 2: Convert to fraction form
    2,619,218.25/3,912,693.75 = 3,912,693.75/x
  3. Step 3: Cross multiply
    2,619,218.25x = 3,912,693.75 × 3,912,693.75
  4. Step 4: Simplify right side
    2,619,218.25x = 15,309,172,381,289.06
  5. Step 5: Solve for x
    x = 15,309,172,381,289.06/2,619,218.25
  6. Step 6: Final answer
    x = 5,844,939.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.