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Finding the Third Proportional to 79,245 and 117,558

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Solution

The third proportional to 79,245 and 117,558 is: 174,394.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,245 : 117,558 = 117,558 : x
  2. Step 2: Convert to fraction form
    79,245/117,558 = 117,558/x
  3. Step 3: Cross multiply
    79,245x = 117,558 × 117,558
  4. Step 4: Simplify right side
    79,245x = 13,819,883,364
  5. Step 5: Solve for x
    x = 13,819,883,364/79,245
  6. Step 6: Final answer
    x = 174,394.39

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.