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Finding the Third Proportional to 71,716.50 and 151,641

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Solution

The third proportional to 71,716.50 and 151,641 is: 320,637.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,716.50 : 151,641 = 151,641 : x
  2. Step 2: Convert to fraction form
    71,716.50/151,641 = 151,641/x
  3. Step 3: Cross multiply
    71,716.50x = 151,641 × 151,641
  4. Step 4: Simplify right side
    71,716.50x = 22,994,992,881
  5. Step 5: Solve for x
    x = 22,994,992,881/71,716.50
  6. Step 6: Final answer
    x = 320,637.41

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.