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Finding the Third Proportional to 79,188 and 118,886

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Solution

The third proportional to 79,188 and 118,886 is: 178,485.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,188 : 118,886 = 118,886 : x
  2. Step 2: Convert to fraction form
    79,188/118,886 = 118,886/x
  3. Step 3: Cross multiply
    79,188x = 118,886 × 118,886
  4. Step 4: Simplify right side
    79,188x = 14,133,880,996
  5. Step 5: Solve for x
    x = 14,133,880,996/79,188
  6. Step 6: Final answer
    x = 178,485.14

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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.