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Finding the Third Proportional to 1,811,364.19 and 3,906,475.88

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Solution

The third proportional to 1,811,364.19 and 3,906,475.88 is: 8,424,895.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,364.19 : 3,906,475.88 = 3,906,475.88 : x
  2. Step 2: Convert to fraction form
    1,811,364.19/3,906,475.88 = 3,906,475.88/x
  3. Step 3: Cross multiply
    1,811,364.19x = 3,906,475.88 × 3,906,475.88
  4. Step 4: Simplify right side
    1,811,364.19x = 15,260,553,761,957.02
  5. Step 5: Solve for x
    x = 15,260,553,761,957.02/1,811,364.19
  6. Step 6: Final answer
    x = 8,424,895.37

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.