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Finding the Third Proportional to 76,119 and 114,180

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Solution

The third proportional to 76,119 and 114,180 is: 171,272.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,119 : 114,180 = 114,180 : x
  2. Step 2: Convert to fraction form
    76,119/114,180 = 114,180/x
  3. Step 3: Cross multiply
    76,119x = 114,180 × 114,180
  4. Step 4: Simplify right side
    76,119x = 13,037,072,400
  5. Step 5: Solve for x
    x = 13,037,072,400/76,119
  6. Step 6: Final answer
    x = 171,272.25

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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.