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Finding the Third Proportional to 72,891.75 and 151,602.75

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Solution

The third proportional to 72,891.75 and 151,602.75 is: 315,308.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,891.75 : 151,602.75 = 151,602.75 : x
  2. Step 2: Convert to fraction form
    72,891.75/151,602.75 = 151,602.75/x
  3. Step 3: Cross multiply
    72,891.75x = 151,602.75 × 151,602.75
  4. Step 4: Simplify right side
    72,891.75x = 22,983,393,807.56
  5. Step 5: Solve for x
    x = 22,983,393,807.56/72,891.75
  6. Step 6: Final answer
    x = 315,308.57

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.