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Finding the Third Proportional to 969.50 and 1,518

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Solution

The third proportional to 969.50 and 1,518 is: 2,376.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    969.50 : 1,518 = 1,518 : x
  2. Step 2: Convert to fraction form
    969.50/1,518 = 1,518/x
  3. Step 3: Cross multiply
    969.50x = 1,518 × 1,518
  4. Step 4: Simplify right side
    969.50x = 2,304,324
  5. Step 5: Solve for x
    x = 2,304,324/969.50
  6. Step 6: Final answer
    x = 2,376.82

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.