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Finding the Third Proportional to 10,348.50 and 14,631

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Solution

The third proportional to 10,348.50 and 14,631 is: 20,685.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.50 : 14,631 = 14,631 : x
  2. Step 2: Convert to fraction form
    10,348.50/14,631 = 14,631/x
  3. Step 3: Cross multiply
    10,348.50x = 14,631 × 14,631
  4. Step 4: Simplify right side
    10,348.50x = 214,066,161
  5. Step 5: Solve for x
    x = 214,066,161/10,348.50
  6. Step 6: Final answer
    x = 20,685.72

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.