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Finding the Third Proportional to 500 and 606.50

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Solution

The third proportional to 500 and 606.50 is: 735.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    500 : 606.50 = 606.50 : x
  2. Step 2: Convert to fraction form
    500/606.50 = 606.50/x
  3. Step 3: Cross multiply
    500x = 606.50 × 606.50
  4. Step 4: Simplify right side
    500x = 367,842.25
  5. Step 5: Solve for x
    x = 367,842.25/500
  6. Step 6: Final answer
    x = 735.68

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.