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Finding the Third Proportional to 72,540.75 and 157,533.75

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Solution

The third proportional to 72,540.75 and 157,533.75 is: 342,109.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,540.75 : 157,533.75 = 157,533.75 : x
  2. Step 2: Convert to fraction form
    72,540.75/157,533.75 = 157,533.75/x
  3. Step 3: Cross multiply
    72,540.75x = 157,533.75 × 157,533.75
  4. Step 4: Simplify right side
    72,540.75x = 24,816,882,389.06
  5. Step 5: Solve for x
    x = 24,816,882,389.06/72,540.75
  6. Step 6: Final answer
    x = 342,109.54

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.