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Finding the Third Proportional to 72,986 and 157,966

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Solution

The third proportional to 72,986 and 157,966 is: 341,891.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,986 : 157,966 = 157,966 : x
  2. Step 2: Convert to fraction form
    72,986/157,966 = 157,966/x
  3. Step 3: Cross multiply
    72,986x = 157,966 × 157,966
  4. Step 4: Simplify right side
    72,986x = 24,953,257,156
  5. Step 5: Solve for x
    x = 24,953,257,156/72,986
  6. Step 6: Final answer
    x = 341,891.01

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.