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Finding the Third Proportional to 160,578 and 330,875

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Solution

The third proportional to 160,578 and 330,875 is: 681,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,578 : 330,875 = 330,875 : x
  2. Step 2: Convert to fraction form
    160,578/330,875 = 330,875/x
  3. Step 3: Cross multiply
    160,578x = 330,875 × 330,875
  4. Step 4: Simplify right side
    160,578x = 109,478,265,625
  5. Step 5: Solve for x
    x = 109,478,265,625/160,578
  6. Step 6: Final answer
    x = 681,776.24

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.