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Finding the Third Proportional to 103,138 and 159,564

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Solution

The third proportional to 103,138 and 159,564 is: 246,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,138 : 159,564 = 159,564 : x
  2. Step 2: Convert to fraction form
    103,138/159,564 = 159,564/x
  3. Step 3: Cross multiply
    103,138x = 159,564 × 159,564
  4. Step 4: Simplify right side
    103,138x = 25,460,670,096
  5. Step 5: Solve for x
    x = 25,460,670,096/103,138
  6. Step 6: Final answer
    x = 246,860.23

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.