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Finding the Third Proportional to 876,393.56 and 1,311,087.23

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Solution

The third proportional to 876,393.56 and 1,311,087.23 is: 1,961,390.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,393.56 : 1,311,087.23 = 1,311,087.23 : x
  2. Step 2: Convert to fraction form
    876,393.56/1,311,087.23 = 1,311,087.23/x
  3. Step 3: Cross multiply
    876,393.56x = 1,311,087.23 × 1,311,087.23
  4. Step 4: Simplify right side
    876,393.56x = 1,718,949,736,141.09
  5. Step 5: Solve for x
    x = 1,718,949,736,141.09/876,393.56
  6. Step 6: Final answer
    x = 1,961,390.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.