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Finding the Third Proportional to 45,308 and 68,961

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Solution

The third proportional to 45,308 and 68,961 is: 104,962.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,308 : 68,961 = 68,961 : x
  2. Step 2: Convert to fraction form
    45,308/68,961 = 68,961/x
  3. Step 3: Cross multiply
    45,308x = 68,961 × 68,961
  4. Step 4: Simplify right side
    45,308x = 4,755,619,521
  5. Step 5: Solve for x
    x = 4,755,619,521/45,308
  6. Step 6: Final answer
    x = 104,962.03

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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.