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Finding the Third Proportional to 73,021.50 and 155,459.25

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Solution

The third proportional to 73,021.50 and 155,459.25 is: 330,965.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,021.50 : 155,459.25 = 155,459.25 : x
  2. Step 2: Convert to fraction form
    73,021.50/155,459.25 = 155,459.25/x
  3. Step 3: Cross multiply
    73,021.50x = 155,459.25 × 155,459.25
  4. Step 4: Simplify right side
    73,021.50x = 24,167,578,410.56
  5. Step 5: Solve for x
    x = 24,167,578,410.56/73,021.50
  6. Step 6: Final answer
    x = 330,965.24

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.