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Finding the Third Proportional to 401.63 and 945

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Solution

The third proportional to 401.63 and 945 is: 2,223.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    401.63 : 945 = 945 : x
  2. Step 2: Convert to fraction form
    401.63/945 = 945/x
  3. Step 3: Cross multiply
    401.63x = 945 × 945
  4. Step 4: Simplify right side
    401.63x = 893,025
  5. Step 5: Solve for x
    x = 893,025/401.63
  6. Step 6: Final answer
    x = 2,223.53

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.