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Finding the Third Proportional to 28,211 and 60,307

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Solution

The third proportional to 28,211 and 60,307 is: 128,919.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,211 : 60,307 = 60,307 : x
  2. Step 2: Convert to fraction form
    28,211/60,307 = 60,307/x
  3. Step 3: Cross multiply
    28,211x = 60,307 × 60,307
  4. Step 4: Simplify right side
    28,211x = 3,636,934,249
  5. Step 5: Solve for x
    x = 3,636,934,249/28,211
  6. Step 6: Final answer
    x = 128,919.01

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.