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Finding the Third Proportional to 51,427 and 75,208

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Solution

The third proportional to 51,427 and 75,208 is: 109,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,427 : 75,208 = 75,208 : x
  2. Step 2: Convert to fraction form
    51,427/75,208 = 75,208/x
  3. Step 3: Cross multiply
    51,427x = 75,208 × 75,208
  4. Step 4: Simplify right side
    51,427x = 5,656,243,264
  5. Step 5: Solve for x
    x = 5,656,243,264/51,427
  6. Step 6: Final answer
    x = 109,985.87

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.