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Finding the Third Proportional to 526.88 and 663.75

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Solution

The third proportional to 526.88 and 663.75 is: 836.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.88 : 663.75 = 663.75 : x
  2. Step 2: Convert to fraction form
    526.88/663.75 = 663.75/x
  3. Step 3: Cross multiply
    526.88x = 663.75 × 663.75
  4. Step 4: Simplify right side
    526.88x = 440,564.06
  5. Step 5: Solve for x
    x = 440,564.06/526.88
  6. Step 6: Final answer
    x = 836.18

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Why These Related Problems?

These problems maintain the same ratio (1.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.