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Finding the Third Proportional to 24,686 and 39,215

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Solution

The third proportional to 24,686 and 39,215 is: 62,295.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,686 : 39,215 = 39,215 : x
  2. Step 2: Convert to fraction form
    24,686/39,215 = 39,215/x
  3. Step 3: Cross multiply
    24,686x = 39,215 × 39,215
  4. Step 4: Simplify right side
    24,686x = 1,537,816,225
  5. Step 5: Solve for x
    x = 1,537,816,225/24,686
  6. Step 6: Final answer
    x = 62,295.08

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.