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Finding the Third Proportional to 45,360 and 68,214

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Solution

The third proportional to 45,360 and 68,214 is: 102,582.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,360 : 68,214 = 68,214 : x
  2. Step 2: Convert to fraction form
    45,360/68,214 = 68,214/x
  3. Step 3: Cross multiply
    45,360x = 68,214 × 68,214
  4. Step 4: Simplify right side
    45,360x = 4,653,149,796
  5. Step 5: Solve for x
    x = 4,653,149,796/45,360
  6. Step 6: Final answer
    x = 102,582.67

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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.