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Finding the Third Proportional to 217,056 and 325,356

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Solution

The third proportional to 217,056 and 325,356 is: 487,692.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,056 : 325,356 = 325,356 : x
  2. Step 2: Convert to fraction form
    217,056/325,356 = 325,356/x
  3. Step 3: Cross multiply
    217,056x = 325,356 × 325,356
  4. Step 4: Simplify right side
    217,056x = 105,856,526,736
  5. Step 5: Solve for x
    x = 105,856,526,736/217,056
  6. Step 6: Final answer
    x = 487,692.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.