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Finding the Third Proportional to 501.75 and 586.50

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Solution

The third proportional to 501.75 and 586.50 is: 685.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.75 : 586.50 = 586.50 : x
  2. Step 2: Convert to fraction form
    501.75/586.50 = 586.50/x
  3. Step 3: Cross multiply
    501.75x = 586.50 × 586.50
  4. Step 4: Simplify right side
    501.75x = 343,982.25
  5. Step 5: Solve for x
    x = 343,982.25/501.75
  6. Step 6: Final answer
    x = 685.57

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.