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Finding the Third Proportional to 588 and 909

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Solution

The third proportional to 588 and 909 is: 1,405.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    588 : 909 = 909 : x
  2. Step 2: Convert to fraction form
    588/909 = 909/x
  3. Step 3: Cross multiply
    588x = 909 × 909
  4. Step 4: Simplify right side
    588x = 826,281
  5. Step 5: Solve for x
    x = 826,281/588
  6. Step 6: Final answer
    x = 1,405.24

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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.