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Finding the Third Proportional to 468.94 and 723.28

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Solution

The third proportional to 468.94 and 723.28 is: 1,115.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.94 : 723.28 = 723.28 : x
  2. Step 2: Convert to fraction form
    468.94/723.28 = 723.28/x
  3. Step 3: Cross multiply
    468.94x = 723.28 × 723.28
  4. Step 4: Simplify right side
    468.94x = 523,135.77
  5. Step 5: Solve for x
    x = 523,135.77/468.94
  6. Step 6: Final answer
    x = 1,115.58

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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.