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Finding the Third Proportional to 946.69 and 1,272.38

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Solution

The third proportional to 946.69 and 1,272.38 is: 1,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    946.69 : 1,272.38 = 1,272.38 : x
  2. Step 2: Convert to fraction form
    946.69/1,272.38 = 1,272.38/x
  3. Step 3: Cross multiply
    946.69x = 1,272.38 × 1,272.38
  4. Step 4: Simplify right side
    946.69x = 1,618,938.14
  5. Step 5: Solve for x
    x = 1,618,938.14/946.69
  6. Step 6: Final answer
    x = 1,710.11

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.