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Finding the Third Proportional to 163,134 and 361,260

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Solution

The third proportional to 163,134 and 361,260 is: 800,009.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,134 : 361,260 = 361,260 : x
  2. Step 2: Convert to fraction form
    163,134/361,260 = 361,260/x
  3. Step 3: Cross multiply
    163,134x = 361,260 × 361,260
  4. Step 4: Simplify right side
    163,134x = 130,508,787,600
  5. Step 5: Solve for x
    x = 130,508,787,600/163,134
  6. Step 6: Final answer
    x = 800,009.73

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.