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Finding the Third Proportional to 77,724.19 and 167,340

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Solution

The third proportional to 77,724.19 and 167,340 is: 360,282.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,724.19 : 167,340 = 167,340 : x
  2. Step 2: Convert to fraction form
    77,724.19/167,340 = 167,340/x
  3. Step 3: Cross multiply
    77,724.19x = 167,340 × 167,340
  4. Step 4: Simplify right side
    77,724.19x = 28,002,675,600
  5. Step 5: Solve for x
    x = 28,002,675,600/77,724.19
  6. Step 6: Final answer
    x = 360,282.64

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.