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Finding the Third Proportional to 25,230 and 39,039

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Solution

The third proportional to 25,230 and 39,039 is: 60,406.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,230 : 39,039 = 39,039 : x
  2. Step 2: Convert to fraction form
    25,230/39,039 = 39,039/x
  3. Step 3: Cross multiply
    25,230x = 39,039 × 39,039
  4. Step 4: Simplify right side
    25,230x = 1,524,043,521
  5. Step 5: Solve for x
    x = 1,524,043,521/25,230
  6. Step 6: Final answer
    x = 60,406.01

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.