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Finding the Third Proportional to 68,425 and 102,361

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Solution

The third proportional to 68,425 and 102,361 is: 153,127.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,425 : 102,361 = 102,361 : x
  2. Step 2: Convert to fraction form
    68,425/102,361 = 102,361/x
  3. Step 3: Cross multiply
    68,425x = 102,361 × 102,361
  4. Step 4: Simplify right side
    68,425x = 10,477,774,321
  5. Step 5: Solve for x
    x = 10,477,774,321/68,425
  6. Step 6: Final answer
    x = 153,127.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.