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Finding the Third Proportional to 72,371.25 and 157,119.75

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Solution

The third proportional to 72,371.25 and 157,119.75 is: 341,110.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,371.25 : 157,119.75 = 157,119.75 : x
  2. Step 2: Convert to fraction form
    72,371.25/157,119.75 = 157,119.75/x
  3. Step 3: Cross multiply
    72,371.25x = 157,119.75 × 157,119.75
  4. Step 4: Simplify right side
    72,371.25x = 24,686,615,840.06
  5. Step 5: Solve for x
    x = 24,686,615,840.06/72,371.25
  6. Step 6: Final answer
    x = 341,110.81

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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.