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Finding the Third Proportional to 28,207 and 60,302

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Solution

The third proportional to 28,207 and 60,302 is: 128,915.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,207 : 60,302 = 60,302 : x
  2. Step 2: Convert to fraction form
    28,207/60,302 = 60,302/x
  3. Step 3: Cross multiply
    28,207x = 60,302 × 60,302
  4. Step 4: Simplify right side
    28,207x = 3,636,331,204
  5. Step 5: Solve for x
    x = 3,636,331,204/28,207
  6. Step 6: Final answer
    x = 128,915.91

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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.