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Finding the Third Proportional to 28,306 and 41,631

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Solution

The third proportional to 28,306 and 41,631 is: 61,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,306 : 41,631 = 41,631 : x
  2. Step 2: Convert to fraction form
    28,306/41,631 = 41,631/x
  3. Step 3: Cross multiply
    28,306x = 41,631 × 41,631
  4. Step 4: Simplify right side
    28,306x = 1,733,140,161
  5. Step 5: Solve for x
    x = 1,733,140,161/28,306
  6. Step 6: Final answer
    x = 61,228.72

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.