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Finding the Third Proportional to 3,208,220 and 7,133,744

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Solution

The third proportional to 3,208,220 and 7,133,744 is: 15,862,473.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,220 : 7,133,744 = 7,133,744 : x
  2. Step 2: Convert to fraction form
    3,208,220/7,133,744 = 7,133,744/x
  3. Step 3: Cross multiply
    3,208,220x = 7,133,744 × 7,133,744
  4. Step 4: Simplify right side
    3,208,220x = 50,890,303,457,536
  5. Step 5: Solve for x
    x = 50,890,303,457,536/3,208,220
  6. Step 6: Final answer
    x = 15,862,473.10

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.