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Finding the Third Proportional to 976.88 and 1,566.38

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Solution

The third proportional to 976.88 and 1,566.38 is: 2,511.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    976.88 : 1,566.38 = 1,566.38 : x
  2. Step 2: Convert to fraction form
    976.88/1,566.38 = 1,566.38/x
  3. Step 3: Cross multiply
    976.88x = 1,566.38 × 1,566.38
  4. Step 4: Simplify right side
    976.88x = 2,453,530.64
  5. Step 5: Solve for x
    x = 2,453,530.64/976.88
  6. Step 6: Final answer
    x = 2,511.61

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.