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Finding the Third Proportional to 74,694 and 160,716

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Solution

The third proportional to 74,694 and 160,716 is: 345,805.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,694 : 160,716 = 160,716 : x
  2. Step 2: Convert to fraction form
    74,694/160,716 = 160,716/x
  3. Step 3: Cross multiply
    74,694x = 160,716 × 160,716
  4. Step 4: Simplify right side
    74,694x = 25,829,632,656
  5. Step 5: Solve for x
    x = 25,829,632,656/74,694
  6. Step 6: Final answer
    x = 345,805.99

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.