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Finding the Third Proportional to 164,979 and 359,577

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Solution

The third proportional to 164,979 and 359,577 is: 783,709.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,979 : 359,577 = 359,577 : x
  2. Step 2: Convert to fraction form
    164,979/359,577 = 359,577/x
  3. Step 3: Cross multiply
    164,979x = 359,577 × 359,577
  4. Step 4: Simplify right side
    164,979x = 129,295,618,929
  5. Step 5: Solve for x
    x = 129,295,618,929/164,979
  6. Step 6: Final answer
    x = 783,709.56

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.