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Finding the Third Proportional to 564 and 900.66

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Solution

The third proportional to 564 and 900.66 is: 1,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    564 : 900.66 = 900.66 : x
  2. Step 2: Convert to fraction form
    564/900.66 = 900.66/x
  3. Step 3: Cross multiply
    564x = 900.66 × 900.66
  4. Step 4: Simplify right side
    564x = 811,181.68
  5. Step 5: Solve for x
    x = 811,181.68/564
  6. Step 6: Final answer
    x = 1,438.27

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.