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Finding the Third Proportional to 946.69 and 1,770.75

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Solution

The third proportional to 946.69 and 1,770.75 is: 3,312.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    946.69 : 1,770.75 = 1,770.75 : x
  2. Step 2: Convert to fraction form
    946.69/1,770.75 = 1,770.75/x
  3. Step 3: Cross multiply
    946.69x = 1,770.75 × 1,770.75
  4. Step 4: Simplify right side
    946.69x = 3,135,555.56
  5. Step 5: Solve for x
    x = 3,135,555.56/946.69
  6. Step 6: Final answer
    x = 3,312.13

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Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.