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Finding the Third Proportional to 68,629 and 109,595

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Solution

The third proportional to 68,629 and 109,595 is: 175,014.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,629 : 109,595 = 109,595 : x
  2. Step 2: Convert to fraction form
    68,629/109,595 = 109,595/x
  3. Step 3: Cross multiply
    68,629x = 109,595 × 109,595
  4. Step 4: Simplify right side
    68,629x = 12,011,064,025
  5. Step 5: Solve for x
    x = 12,011,064,025/68,629
  6. Step 6: Final answer
    x = 175,014.41

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.