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Finding the Third Proportional to 109,700 and 165,904

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Solution

The third proportional to 109,700 and 165,904 is: 250,903.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,700 : 165,904 = 165,904 : x
  2. Step 2: Convert to fraction form
    109,700/165,904 = 165,904/x
  3. Step 3: Cross multiply
    109,700x = 165,904 × 165,904
  4. Step 4: Simplify right side
    109,700x = 27,524,137,216
  5. Step 5: Solve for x
    x = 27,524,137,216/109,700
  6. Step 6: Final answer
    x = 250,903.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.