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Finding the Third Proportional to 112,216.88 and 168,442.78

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Solution

The third proportional to 112,216.88 and 168,442.78 is: 252,840.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,216.88 : 168,442.78 = 168,442.78 : x
  2. Step 2: Convert to fraction form
    112,216.88/168,442.78 = 168,442.78/x
  3. Step 3: Cross multiply
    112,216.88x = 168,442.78 × 168,442.78
  4. Step 4: Simplify right side
    112,216.88x = 28,372,970,555.24
  5. Step 5: Solve for x
    x = 28,372,970,555.24/112,216.88
  6. Step 6: Final answer
    x = 252,840.50

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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.