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Finding the Third Proportional to 313 and 525.50

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Solution

The third proportional to 313 and 525.50 is: 882.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    313 : 525.50 = 525.50 : x
  2. Step 2: Convert to fraction form
    313/525.50 = 525.50/x
  3. Step 3: Cross multiply
    313x = 525.50 × 525.50
  4. Step 4: Simplify right side
    313x = 276,150.25
  5. Step 5: Solve for x
    x = 276,150.25/313
  6. Step 6: Final answer
    x = 882.27

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Why These Related Problems?

These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.