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Finding the Third Proportional to 28,339 and 62,270

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Solution

The third proportional to 28,339 and 62,270 is: 136,827.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,339 : 62,270 = 62,270 : x
  2. Step 2: Convert to fraction form
    28,339/62,270 = 62,270/x
  3. Step 3: Cross multiply
    28,339x = 62,270 × 62,270
  4. Step 4: Simplify right side
    28,339x = 3,877,552,900
  5. Step 5: Solve for x
    x = 3,877,552,900/28,339
  6. Step 6: Final answer
    x = 136,827.44

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.