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Finding the Third Proportional to 469.69 and 606.23

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Solution

The third proportional to 469.69 and 606.23 is: 782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.69 : 606.23 = 606.23 : x
  2. Step 2: Convert to fraction form
    469.69/606.23 = 606.23/x
  3. Step 3: Cross multiply
    469.69x = 606.23 × 606.23
  4. Step 4: Simplify right side
    469.69x = 367,520.12
  5. Step 5: Solve for x
    x = 367,520.12/469.69
  6. Step 6: Final answer
    x = 782.48

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.