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Finding the Third Proportional to 9,281 and 19,018

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Solution

The third proportional to 9,281 and 19,018 is: 38,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281 : 19,018 = 19,018 : x
  2. Step 2: Convert to fraction form
    9,281/19,018 = 19,018/x
  3. Step 3: Cross multiply
    9,281x = 19,018 × 19,018
  4. Step 4: Simplify right side
    9,281x = 361,684,324
  5. Step 5: Solve for x
    x = 361,684,324/9,281
  6. Step 6: Final answer
    x = 38,970.40

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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.