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Finding the Third Proportional to 527.50 and 838

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Solution

The third proportional to 527.50 and 838 is: 1,331.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.50 : 838 = 838 : x
  2. Step 2: Convert to fraction form
    527.50/838 = 838/x
  3. Step 3: Cross multiply
    527.50x = 838 × 838
  4. Step 4: Simplify right side
    527.50x = 702,244
  5. Step 5: Solve for x
    x = 702,244/527.50
  6. Step 6: Final answer
    x = 1,331.27

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.