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Finding the Third Proportional to 115,398 and 173,097

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Solution

The third proportional to 115,398 and 173,097 is: 259,645.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,398 : 173,097 = 173,097 : x
  2. Step 2: Convert to fraction form
    115,398/173,097 = 173,097/x
  3. Step 3: Cross multiply
    115,398x = 173,097 × 173,097
  4. Step 4: Simplify right side
    115,398x = 29,962,571,409
  5. Step 5: Solve for x
    x = 29,962,571,409/115,398
  6. Step 6: Final answer
    x = 259,645.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.