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Finding the Third Proportional to 437 and 525.50

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Solution

The third proportional to 437 and 525.50 is: 631.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    437 : 525.50 = 525.50 : x
  2. Step 2: Convert to fraction form
    437/525.50 = 525.50/x
  3. Step 3: Cross multiply
    437x = 525.50 × 525.50
  4. Step 4: Simplify right side
    437x = 276,150.25
  5. Step 5: Solve for x
    x = 276,150.25/437
  6. Step 6: Final answer
    x = 631.92

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Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.