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Finding the Third Proportional to 221,332.50 and 334,631.25

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Solution

The third proportional to 221,332.50 and 334,631.25 is: 505,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,332.50 : 334,631.25 = 334,631.25 : x
  2. Step 2: Convert to fraction form
    221,332.50/334,631.25 = 334,631.25/x
  3. Step 3: Cross multiply
    221,332.50x = 334,631.25 × 334,631.25
  4. Step 4: Simplify right side
    221,332.50x = 111,978,073,476.56
  5. Step 5: Solve for x
    x = 111,978,073,476.56/221,332.50
  6. Step 6: Final answer
    x = 505,926.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.