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Finding the Third Proportional to 140,679 and 325,392

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Solution

The third proportional to 140,679 and 325,392 is: 752,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,679 : 325,392 = 325,392 : x
  2. Step 2: Convert to fraction form
    140,679/325,392 = 325,392/x
  3. Step 3: Cross multiply
    140,679x = 325,392 × 325,392
  4. Step 4: Simplify right side
    140,679x = 105,879,953,664
  5. Step 5: Solve for x
    x = 105,879,953,664/140,679
  6. Step 6: Final answer
    x = 752,635.10

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.