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Finding the Third Proportional to 1,816,220 and 3,853,831

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Solution

The third proportional to 1,816,220 and 3,853,831 is: 8,177,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,220 : 3,853,831 = 3,853,831 : x
  2. Step 2: Convert to fraction form
    1,816,220/3,853,831 = 3,853,831/x
  3. Step 3: Cross multiply
    1,816,220x = 3,853,831 × 3,853,831
  4. Step 4: Simplify right side
    1,816,220x = 14,852,013,376,561
  5. Step 5: Solve for x
    x = 14,852,013,376,561/1,816,220
  6. Step 6: Final answer
    x = 8,177,430.80

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.