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Finding the Third Proportional to 19,005 and 26,982

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Solution

The third proportional to 19,005 and 26,982 is: 38,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005 : 26,982 = 26,982 : x
  2. Step 2: Convert to fraction form
    19,005/26,982 = 26,982/x
  3. Step 3: Cross multiply
    19,005x = 26,982 × 26,982
  4. Step 4: Simplify right side
    19,005x = 728,028,324
  5. Step 5: Solve for x
    x = 728,028,324/19,005
  6. Step 6: Final answer
    x = 38,307.20

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.