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Finding the Third Proportional to 1,398,935.81 and 3,091,932

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Solution

The third proportional to 1,398,935.81 and 3,091,932 is: 6,833,797.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,935.81 : 3,091,932 = 3,091,932 : x
  2. Step 2: Convert to fraction form
    1,398,935.81/3,091,932 = 3,091,932/x
  3. Step 3: Cross multiply
    1,398,935.81x = 3,091,932 × 3,091,932
  4. Step 4: Simplify right side
    1,398,935.81x = 9,560,043,492,624
  5. Step 5: Solve for x
    x = 9,560,043,492,624/1,398,935.81
  6. Step 6: Final answer
    x = 6,833,797.10

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.