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Finding the Third Proportional to 5,872.50 and 12,798

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Solution

The third proportional to 5,872.50 and 12,798 is: 27,890.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.50 : 12,798 = 12,798 : x
  2. Step 2: Convert to fraction form
    5,872.50/12,798 = 12,798/x
  3. Step 3: Cross multiply
    5,872.50x = 12,798 × 12,798
  4. Step 4: Simplify right side
    5,872.50x = 163,788,804
  5. Step 5: Solve for x
    x = 163,788,804/5,872.50
  6. Step 6: Final answer
    x = 27,890.81

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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.