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Finding the Third Proportional to 9,212 and 14,289

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Solution

The third proportional to 9,212 and 14,289 is: 22,164.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212 : 14,289 = 14,289 : x
  2. Step 2: Convert to fraction form
    9,212/14,289 = 14,289/x
  3. Step 3: Cross multiply
    9,212x = 14,289 × 14,289
  4. Step 4: Simplify right side
    9,212x = 204,175,521
  5. Step 5: Solve for x
    x = 204,175,521/9,212
  6. Step 6: Final answer
    x = 22,164.08

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.