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Finding the Third Proportional to 1,285.88 and 2,465.44

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Solution

The third proportional to 1,285.88 and 2,465.44 is: 4,727.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285.88 : 2,465.44 = 2,465.44 : x
  2. Step 2: Convert to fraction form
    1,285.88/2,465.44 = 2,465.44/x
  3. Step 3: Cross multiply
    1,285.88x = 2,465.44 × 2,465.44
  4. Step 4: Simplify right side
    1,285.88x = 6,078,382.07
  5. Step 5: Solve for x
    x = 6,078,382.07/1,285.88
  6. Step 6: Final answer
    x = 4,727.04

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.