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Finding the Third Proportional to 105,556.92 and 163,690.88

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Solution

The third proportional to 105,556.92 and 163,690.88 is: 253,841.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,556.92 : 163,690.88 = 163,690.88 : x
  2. Step 2: Convert to fraction form
    105,556.92/163,690.88 = 163,690.88/x
  3. Step 3: Cross multiply
    105,556.92x = 163,690.88 × 163,690.88
  4. Step 4: Simplify right side
    105,556.92x = 26,794,702,558.27
  5. Step 5: Solve for x
    x = 26,794,702,558.27/105,556.92
  6. Step 6: Final answer
    x = 253,841.26

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.