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Finding the Third Proportional to 468 and 723.09

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Solution

The third proportional to 468 and 723.09 is: 1,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    468 : 723.09 = 723.09 : x
  2. Step 2: Convert to fraction form
    468/723.09 = 723.09/x
  3. Step 3: Cross multiply
    468x = 723.09 × 723.09
  4. Step 4: Simplify right side
    468x = 522,864.57
  5. Step 5: Solve for x
    x = 522,864.57/468
  6. Step 6: Final answer
    x = 1,117.23

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.