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Finding the Third Proportional to 621.94 and 1,033.88

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Solution

The third proportional to 621.94 and 1,033.88 is: 1,718.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    621.94 : 1,033.88 = 1,033.88 : x
  2. Step 2: Convert to fraction form
    621.94/1,033.88 = 1,033.88/x
  3. Step 3: Cross multiply
    621.94x = 1,033.88 × 1,033.88
  4. Step 4: Simplify right side
    621.94x = 1,068,897.52
  5. Step 5: Solve for x
    x = 1,068,897.52/621.94
  6. Step 6: Final answer
    x = 1,718.66

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.