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Finding the Third Proportional to 66,784 and 157,936

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Solution

The third proportional to 66,784 and 157,936 is: 373,499.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,784 : 157,936 = 157,936 : x
  2. Step 2: Convert to fraction form
    66,784/157,936 = 157,936/x
  3. Step 3: Cross multiply
    66,784x = 157,936 × 157,936
  4. Step 4: Simplify right side
    66,784x = 24,943,780,096
  5. Step 5: Solve for x
    x = 24,943,780,096/66,784
  6. Step 6: Final answer
    x = 373,499.34

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.