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Finding the Third Proportional to 19,466 and 39,904

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Solution

The third proportional to 19,466 and 39,904 is: 81,800.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,466 : 39,904 = 39,904 : x
  2. Step 2: Convert to fraction form
    19,466/39,904 = 39,904/x
  3. Step 3: Cross multiply
    19,466x = 39,904 × 39,904
  4. Step 4: Simplify right side
    19,466x = 1,592,329,216
  5. Step 5: Solve for x
    x = 1,592,329,216/19,466
  6. Step 6: Final answer
    x = 81,800.54

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.