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Finding the Third Proportional to 79,184 and 118,880

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Solution

The third proportional to 79,184 and 118,880 is: 178,476.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,184 : 118,880 = 118,880 : x
  2. Step 2: Convert to fraction form
    79,184/118,880 = 118,880/x
  3. Step 3: Cross multiply
    79,184x = 118,880 × 118,880
  4. Step 4: Simplify right side
    79,184x = 14,132,454,400
  5. Step 5: Solve for x
    x = 14,132,454,400/79,184
  6. Step 6: Final answer
    x = 178,476.14

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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.