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Finding the Third Proportional to 149,694 and 322,716

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Solution

The third proportional to 149,694 and 322,716 is: 695,723.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,694 : 322,716 = 322,716 : x
  2. Step 2: Convert to fraction form
    149,694/322,716 = 322,716/x
  3. Step 3: Cross multiply
    149,694x = 322,716 × 322,716
  4. Step 4: Simplify right side
    149,694x = 104,145,616,656
  5. Step 5: Solve for x
    x = 104,145,616,656/149,694
  6. Step 6: Final answer
    x = 695,723.39

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.