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Finding the Third Proportional to 68,012 and 144,106

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Solution

The third proportional to 68,012 and 144,106 is: 305,336.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,012 : 144,106 = 144,106 : x
  2. Step 2: Convert to fraction form
    68,012/144,106 = 144,106/x
  3. Step 3: Cross multiply
    68,012x = 144,106 × 144,106
  4. Step 4: Simplify right side
    68,012x = 20,766,539,236
  5. Step 5: Solve for x
    x = 20,766,539,236/68,012
  6. Step 6: Final answer
    x = 305,336.40

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.