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Finding the Third Proportional to 68,156 and 103,462

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Solution

The third proportional to 68,156 and 103,462 is: 157,057.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,156 : 103,462 = 103,462 : x
  2. Step 2: Convert to fraction form
    68,156/103,462 = 103,462/x
  3. Step 3: Cross multiply
    68,156x = 103,462 × 103,462
  4. Step 4: Simplify right side
    68,156x = 10,704,385,444
  5. Step 5: Solve for x
    x = 10,704,385,444/68,156
  6. Step 6: Final answer
    x = 157,057.13

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.