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Finding the Third Proportional to 6,718.50 and 14,631

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Solution

The third proportional to 6,718.50 and 14,631 is: 31,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.50 : 14,631 = 14,631 : x
  2. Step 2: Convert to fraction form
    6,718.50/14,631 = 14,631/x
  3. Step 3: Cross multiply
    6,718.50x = 14,631 × 14,631
  4. Step 4: Simplify right side
    6,718.50x = 214,066,161
  5. Step 5: Solve for x
    x = 214,066,161/6,718.50
  6. Step 6: Final answer
    x = 31,862.20

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.