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Finding the Third Proportional to 72,727.88 and 154,259.44

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Solution

The third proportional to 72,727.88 and 154,259.44 is: 327,191.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,727.88 : 154,259.44 = 154,259.44 : x
  2. Step 2: Convert to fraction form
    72,727.88/154,259.44 = 154,259.44/x
  3. Step 3: Cross multiply
    72,727.88x = 154,259.44 × 154,259.44
  4. Step 4: Simplify right side
    72,727.88x = 23,795,974,057.82
  5. Step 5: Solve for x
    x = 23,795,974,057.82/72,727.88
  6. Step 6: Final answer
    x = 327,191.93

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.