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Finding the Third Proportional to 111,225.50 and 239,947.75

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Solution

The third proportional to 111,225.50 and 239,947.75 is: 517,641.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,225.50 : 239,947.75 = 239,947.75 : x
  2. Step 2: Convert to fraction form
    111,225.50/239,947.75 = 239,947.75/x
  3. Step 3: Cross multiply
    111,225.50x = 239,947.75 × 239,947.75
  4. Step 4: Simplify right side
    111,225.50x = 57,574,922,730.06
  5. Step 5: Solve for x
    x = 57,574,922,730.06/111,225.50
  6. Step 6: Final answer
    x = 517,641.39

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.