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Finding the Third Proportional to 68,004 and 102,620

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Solution

The third proportional to 68,004 and 102,620 is: 154,856.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,004 : 102,620 = 102,620 : x
  2. Step 2: Convert to fraction form
    68,004/102,620 = 102,620/x
  3. Step 3: Cross multiply
    68,004x = 102,620 × 102,620
  4. Step 4: Simplify right side
    68,004x = 10,530,864,400
  5. Step 5: Solve for x
    x = 10,530,864,400/68,004
  6. Step 6: Final answer
    x = 154,856.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.