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Finding the Third Proportional to 212,314.50 and 325,843.50

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Solution

The third proportional to 212,314.50 and 325,843.50 is: 500,078.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,314.50 : 325,843.50 = 325,843.50 : x
  2. Step 2: Convert to fraction form
    212,314.50/325,843.50 = 325,843.50/x
  3. Step 3: Cross multiply
    212,314.50x = 325,843.50 × 325,843.50
  4. Step 4: Simplify right side
    212,314.50x = 106,173,986,492.25
  5. Step 5: Solve for x
    x = 106,173,986,492.25/212,314.50
  6. Step 6: Final answer
    x = 500,078.83

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.