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Finding the Third Proportional to 769.25 and 1,184.25

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Solution

The third proportional to 769.25 and 1,184.25 is: 1,823.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    769.25 : 1,184.25 = 1,184.25 : x
  2. Step 2: Convert to fraction form
    769.25/1,184.25 = 1,184.25/x
  3. Step 3: Cross multiply
    769.25x = 1,184.25 × 1,184.25
  4. Step 4: Simplify right side
    769.25x = 1,402,448.06
  5. Step 5: Solve for x
    x = 1,402,448.06/769.25
  6. Step 6: Final answer
    x = 1,823.14

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.