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Finding the Third Proportional to 25,161 and 39,808

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Solution

The third proportional to 25,161 and 39,808 is: 62,981.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,161 : 39,808 = 39,808 : x
  2. Step 2: Convert to fraction form
    25,161/39,808 = 39,808/x
  3. Step 3: Cross multiply
    25,161x = 39,808 × 39,808
  4. Step 4: Simplify right side
    25,161x = 1,584,676,864
  5. Step 5: Solve for x
    x = 1,584,676,864/25,161
  6. Step 6: Final answer
    x = 62,981.47

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.