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Finding the Third Proportional to 160,900 and 353,520

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Solution

The third proportional to 160,900 and 353,520 is: 776,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,900 : 353,520 = 353,520 : x
  2. Step 2: Convert to fraction form
    160,900/353,520 = 353,520/x
  3. Step 3: Cross multiply
    160,900x = 353,520 × 353,520
  4. Step 4: Simplify right side
    160,900x = 124,976,390,400
  5. Step 5: Solve for x
    x = 124,976,390,400/160,900
  6. Step 6: Final answer
    x = 776,733.32

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.