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Finding the Third Proportional to 103,631 and 158,453

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Solution

The third proportional to 103,631 and 158,453 is: 242,276.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,631 : 158,453 = 158,453 : x
  2. Step 2: Convert to fraction form
    103,631/158,453 = 158,453/x
  3. Step 3: Cross multiply
    103,631x = 158,453 × 158,453
  4. Step 4: Simplify right side
    103,631x = 25,107,353,209
  5. Step 5: Solve for x
    x = 25,107,353,209/103,631
  6. Step 6: Final answer
    x = 242,276.47

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.