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Finding the Third Proportional to 28,048 and 61,376

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Solution

The third proportional to 28,048 and 61,376 is: 134,305.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048 : 61,376 = 61,376 : x
  2. Step 2: Convert to fraction form
    28,048/61,376 = 61,376/x
  3. Step 3: Cross multiply
    28,048x = 61,376 × 61,376
  4. Step 4: Simplify right side
    28,048x = 3,767,013,376
  5. Step 5: Solve for x
    x = 3,767,013,376/28,048
  6. Step 6: Final answer
    x = 134,305.95

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.