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Finding the Third Proportional to 1,960,309 and 4,220,974

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Solution

The third proportional to 1,960,309 and 4,220,974 is: 9,088,680.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,309 : 4,220,974 = 4,220,974 : x
  2. Step 2: Convert to fraction form
    1,960,309/4,220,974 = 4,220,974/x
  3. Step 3: Cross multiply
    1,960,309x = 4,220,974 × 4,220,974
  4. Step 4: Simplify right side
    1,960,309x = 17,816,621,508,676
  5. Step 5: Solve for x
    x = 17,816,621,508,676/1,960,309
  6. Step 6: Final answer
    x = 9,088,680.16

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.