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Finding the Third Proportional to 455.63 and 959.66

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Solution

The third proportional to 455.63 and 959.66 is: 2,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    455.63 : 959.66 = 959.66 : x
  2. Step 2: Convert to fraction form
    455.63/959.66 = 959.66/x
  3. Step 3: Cross multiply
    455.63x = 959.66 × 959.66
  4. Step 4: Simplify right side
    455.63x = 920,947.62
  5. Step 5: Solve for x
    x = 920,947.62/455.63
  6. Step 6: Final answer
    x = 2,021.28

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.