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Finding the Third Proportional to 855.94 and 1,333.13

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Solution

The third proportional to 855.94 and 1,333.13 is: 2,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    855.94 : 1,333.13 = 1,333.13 : x
  2. Step 2: Convert to fraction form
    855.94/1,333.13 = 1,333.13/x
  3. Step 3: Cross multiply
    855.94x = 1,333.13 × 1,333.13
  4. Step 4: Simplify right side
    855.94x = 1,777,222.27
  5. Step 5: Solve for x
    x = 1,777,222.27/855.94
  6. Step 6: Final answer
    x = 2,076.35

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.