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Finding the Third Proportional to 68,870 and 106,343

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Solution

The third proportional to 68,870 and 106,343 is: 164,205.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,870 : 106,343 = 106,343 : x
  2. Step 2: Convert to fraction form
    68,870/106,343 = 106,343/x
  3. Step 3: Cross multiply
    68,870x = 106,343 × 106,343
  4. Step 4: Simplify right side
    68,870x = 11,308,833,649
  5. Step 5: Solve for x
    x = 11,308,833,649/68,870
  6. Step 6: Final answer
    x = 164,205.51

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.