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Finding the Third Proportional to 166,218.75 and 360,261

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Solution

The third proportional to 166,218.75 and 360,261 is: 780,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,218.75 : 360,261 = 360,261 : x
  2. Step 2: Convert to fraction form
    166,218.75/360,261 = 360,261/x
  3. Step 3: Cross multiply
    166,218.75x = 360,261 × 360,261
  4. Step 4: Simplify right side
    166,218.75x = 129,787,988,121
  5. Step 5: Solve for x
    x = 129,787,988,121/166,218.75
  6. Step 6: Final answer
    x = 780,826.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.