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Finding the Third Proportional to 66,824 and 105,738

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Solution

The third proportional to 66,824 and 105,738 is: 167,313.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,824 : 105,738 = 105,738 : x
  2. Step 2: Convert to fraction form
    66,824/105,738 = 105,738/x
  3. Step 3: Cross multiply
    66,824x = 105,738 × 105,738
  4. Step 4: Simplify right side
    66,824x = 11,180,524,644
  5. Step 5: Solve for x
    x = 11,180,524,644/66,824
  6. Step 6: Final answer
    x = 167,313.01

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.