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Finding the Third Proportional to 610.66 and 1,078.95

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Solution

The third proportional to 610.66 and 1,078.95 is: 1,906.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.66 : 1,078.95 = 1,078.95 : x
  2. Step 2: Convert to fraction form
    610.66/1,078.95 = 1,078.95/x
  3. Step 3: Cross multiply
    610.66x = 1,078.95 × 1,078.95
  4. Step 4: Simplify right side
    610.66x = 1,164,122.99
  5. Step 5: Solve for x
    x = 1,164,122.99/610.66
  6. Step 6: Final answer
    x = 1,906.32

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Why These Related Problems?

These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.