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Finding the Third Proportional to 118,900 and 163,040

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Solution

The third proportional to 118,900 and 163,040 is: 223,566.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,900 : 163,040 = 163,040 : x
  2. Step 2: Convert to fraction form
    118,900/163,040 = 163,040/x
  3. Step 3: Cross multiply
    118,900x = 163,040 × 163,040
  4. Step 4: Simplify right side
    118,900x = 26,582,041,600
  5. Step 5: Solve for x
    x = 26,582,041,600/118,900
  6. Step 6: Final answer
    x = 223,566.37

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.