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Finding the Third Proportional to 956.81 and 1,605.66

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Solution

The third proportional to 956.81 and 1,605.66 is: 2,694.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    956.81 : 1,605.66 = 1,605.66 : x
  2. Step 2: Convert to fraction form
    956.81/1,605.66 = 1,605.66/x
  3. Step 3: Cross multiply
    956.81x = 1,605.66 × 1,605.66
  4. Step 4: Simplify right side
    956.81x = 2,578,131.99
  5. Step 5: Solve for x
    x = 2,578,131.99/956.81
  6. Step 6: Final answer
    x = 2,694.50

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Why These Related Problems?

These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.