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Finding the Third Proportional to 68,100 and 105,693

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Solution

The third proportional to 68,100 and 105,693 is: 164,038.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,100 : 105,693 = 105,693 : x
  2. Step 2: Convert to fraction form
    68,100/105,693 = 105,693/x
  3. Step 3: Cross multiply
    68,100x = 105,693 × 105,693
  4. Step 4: Simplify right side
    68,100x = 11,171,010,249
  5. Step 5: Solve for x
    x = 11,171,010,249/68,100
  6. Step 6: Final answer
    x = 164,038.33

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.