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Finding the Third Proportional to 25,698 and 38,442

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Solution

The third proportional to 25,698 and 38,442 is: 57,505.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,698 : 38,442 = 38,442 : x
  2. Step 2: Convert to fraction form
    25,698/38,442 = 38,442/x
  3. Step 3: Cross multiply
    25,698x = 38,442 × 38,442
  4. Step 4: Simplify right side
    25,698x = 1,477,787,364
  5. Step 5: Solve for x
    x = 1,477,787,364/25,698
  6. Step 6: Final answer
    x = 57,505.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.