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Finding the Third Proportional to 1,960,305 and 4,220,966

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Solution

The third proportional to 1,960,305 and 4,220,966 is: 9,088,664.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,305 : 4,220,966 = 4,220,966 : x
  2. Step 2: Convert to fraction form
    1,960,305/4,220,966 = 4,220,966/x
  3. Step 3: Cross multiply
    1,960,305x = 4,220,966 × 4,220,966
  4. Step 4: Simplify right side
    1,960,305x = 17,816,553,973,156
  5. Step 5: Solve for x
    x = 17,816,553,973,156/1,960,305
  6. Step 6: Final answer
    x = 9,088,664.25

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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.