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Finding the Third Proportional to 84,167 and 180,156.75

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Solution

The third proportional to 84,167 and 180,156.75 is: 385,619.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,167 : 180,156.75 = 180,156.75 : x
  2. Step 2: Convert to fraction form
    84,167/180,156.75 = 180,156.75/x
  3. Step 3: Cross multiply
    84,167x = 180,156.75 × 180,156.75
  4. Step 4: Simplify right side
    84,167x = 32,456,454,570.56
  5. Step 5: Solve for x
    x = 32,456,454,570.56/84,167
  6. Step 6: Final answer
    x = 385,619.72

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.