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Finding the Third Proportional to 9,604 and 19,808

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Solution

The third proportional to 9,604 and 19,808 is: 40,853.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,604 : 19,808 = 19,808 : x
  2. Step 2: Convert to fraction form
    9,604/19,808 = 19,808/x
  3. Step 3: Cross multiply
    9,604x = 19,808 × 19,808
  4. Step 4: Simplify right side
    9,604x = 392,356,864
  5. Step 5: Solve for x
    x = 392,356,864/9,604
  6. Step 6: Final answer
    x = 40,853.48

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.