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Finding the Third Proportional to 67,836 and 147,348

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Solution

The third proportional to 67,836 and 147,348 is: 320,057.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,836 : 147,348 = 147,348 : x
  2. Step 2: Convert to fraction form
    67,836/147,348 = 147,348/x
  3. Step 3: Cross multiply
    67,836x = 147,348 × 147,348
  4. Step 4: Simplify right side
    67,836x = 21,711,433,104
  5. Step 5: Solve for x
    x = 21,711,433,104/67,836
  6. Step 6: Final answer
    x = 320,057.68

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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.