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Finding the Third Proportional to 1,057,687.88 and 1,611,331.31

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Solution

The third proportional to 1,057,687.88 and 1,611,331.31 is: 2,454,777.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,687.88 : 1,611,331.31 = 1,611,331.31 : x
  2. Step 2: Convert to fraction form
    1,057,687.88/1,611,331.31 = 1,611,331.31/x
  3. Step 3: Cross multiply
    1,057,687.88x = 1,611,331.31 × 1,611,331.31
  4. Step 4: Simplify right side
    1,057,687.88x = 2,596,388,598,642.97
  5. Step 5: Solve for x
    x = 2,596,388,598,642.97/1,057,687.88
  6. Step 6: Final answer
    x = 2,454,777.69

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.