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Finding the Third Proportional to 1,607.91 and 3,260.53

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Solution

The third proportional to 1,607.91 and 3,260.53 is: 6,611.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.91 : 3,260.53 = 3,260.53 : x
  2. Step 2: Convert to fraction form
    1,607.91/3,260.53 = 3,260.53/x
  3. Step 3: Cross multiply
    1,607.91x = 3,260.53 × 3,260.53
  4. Step 4: Simplify right side
    1,607.91x = 10,631,064.03
  5. Step 5: Solve for x
    x = 10,631,064.03/1,607.91
  6. Step 6: Final answer
    x = 6,611.74

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.