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Finding the Third Proportional to 3,402 and 5,201.72

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Solution

The third proportional to 3,402 and 5,201.72 is: 7,953.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402 : 5,201.72 = 5,201.72 : x
  2. Step 2: Convert to fraction form
    3,402/5,201.72 = 5,201.72/x
  3. Step 3: Cross multiply
    3,402x = 5,201.72 × 5,201.72
  4. Step 4: Simplify right side
    3,402x = 27,057,877.95
  5. Step 5: Solve for x
    x = 27,057,877.95/3,402
  6. Step 6: Final answer
    x = 7,953.52

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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.