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Finding the Third Proportional to 68,964 and 105,447

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Solution

The third proportional to 68,964 and 105,447 is: 161,230.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,964 : 105,447 = 105,447 : x
  2. Step 2: Convert to fraction form
    68,964/105,447 = 105,447/x
  3. Step 3: Cross multiply
    68,964x = 105,447 × 105,447
  4. Step 4: Simplify right side
    68,964x = 11,119,069,809
  5. Step 5: Solve for x
    x = 11,119,069,809/68,964
  6. Step 6: Final answer
    x = 161,230.06

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.