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Finding the Third Proportional to 416 and 913

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Solution

The third proportional to 416 and 913 is: 2,003.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    416 : 913 = 913 : x
  2. Step 2: Convert to fraction form
    416/913 = 913/x
  3. Step 3: Cross multiply
    416x = 913 × 913
  4. Step 4: Simplify right side
    416x = 833,569
  5. Step 5: Solve for x
    x = 833,569/416
  6. Step 6: Final answer
    x = 2,003.77

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.