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Finding the Third Proportional to 18,904 and 25,604

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Solution

The third proportional to 18,904 and 25,604 is: 34,678.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904 : 25,604 = 25,604 : x
  2. Step 2: Convert to fraction form
    18,904/25,604 = 25,604/x
  3. Step 3: Cross multiply
    18,904x = 25,604 × 25,604
  4. Step 4: Simplify right side
    18,904x = 655,564,816
  5. Step 5: Solve for x
    x = 655,564,816/18,904
  6. Step 6: Final answer
    x = 34,678.63

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.