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Finding the Third Proportional to 68,018 and 105,058

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Solution

The third proportional to 68,018 and 105,058 is: 162,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,018 : 105,058 = 105,058 : x
  2. Step 2: Convert to fraction form
    68,018/105,058 = 105,058/x
  3. Step 3: Cross multiply
    68,018x = 105,058 × 105,058
  4. Step 4: Simplify right side
    68,018x = 11,037,183,364
  5. Step 5: Solve for x
    x = 11,037,183,364/68,018
  6. Step 6: Final answer
    x = 162,268.57

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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.