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Finding the Third Proportional to 103,724.50 and 211,253.50

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Solution

The third proportional to 103,724.50 and 211,253.50 is: 430,255.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,724.50 : 211,253.50 = 211,253.50 : x
  2. Step 2: Convert to fraction form
    103,724.50/211,253.50 = 211,253.50/x
  3. Step 3: Cross multiply
    103,724.50x = 211,253.50 × 211,253.50
  4. Step 4: Simplify right side
    103,724.50x = 44,628,041,262.25
  5. Step 5: Solve for x
    x = 44,628,041,262.25/103,724.50
  6. Step 6: Final answer
    x = 430,255.54

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.