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Finding the Third Proportional to 51,000 and 74,925

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Solution

The third proportional to 51,000 and 74,925 is: 110,073.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,000 : 74,925 = 74,925 : x
  2. Step 2: Convert to fraction form
    51,000/74,925 = 74,925/x
  3. Step 3: Cross multiply
    51,000x = 74,925 × 74,925
  4. Step 4: Simplify right side
    51,000x = 5,613,755,625
  5. Step 5: Solve for x
    x = 5,613,755,625/51,000
  6. Step 6: Final answer
    x = 110,073.64

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.