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Finding the Third Proportional to 416.25 and 892.50

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Solution

The third proportional to 416.25 and 892.50 is: 1,913.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.25 : 892.50 = 892.50 : x
  2. Step 2: Convert to fraction form
    416.25/892.50 = 892.50/x
  3. Step 3: Cross multiply
    416.25x = 892.50 × 892.50
  4. Step 4: Simplify right side
    416.25x = 796,556.25
  5. Step 5: Solve for x
    x = 796,556.25/416.25
  6. Step 6: Final answer
    x = 1,913.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.