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Finding the Third Proportional to 76,348 and 118,885

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Solution

The third proportional to 76,348 and 118,885 is: 185,121.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,348 : 118,885 = 118,885 : x
  2. Step 2: Convert to fraction form
    76,348/118,885 = 118,885/x
  3. Step 3: Cross multiply
    76,348x = 118,885 × 118,885
  4. Step 4: Simplify right side
    76,348x = 14,133,643,225
  5. Step 5: Solve for x
    x = 14,133,643,225/76,348
  6. Step 6: Final answer
    x = 185,121.33

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.