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Finding the Third Proportional to 788.48 and 894.80

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Solution

The third proportional to 788.48 and 894.80 is: 1,015.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    788.48 : 894.80 = 894.80 : x
  2. Step 2: Convert to fraction form
    788.48/894.80 = 894.80/x
  3. Step 3: Cross multiply
    788.48x = 894.80 × 894.80
  4. Step 4: Simplify right side
    788.48x = 800,661.45
  5. Step 5: Solve for x
    x = 800,661.45/788.48
  6. Step 6: Final answer
    x = 1,015.44

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Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.