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Finding the Third Proportional to 6,819 and 10,852.50

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Solution

The third proportional to 6,819 and 10,852.50 is: 17,271.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819 : 10,852.50 = 10,852.50 : x
  2. Step 2: Convert to fraction form
    6,819/10,852.50 = 10,852.50/x
  3. Step 3: Cross multiply
    6,819x = 10,852.50 × 10,852.50
  4. Step 4: Simplify right side
    6,819x = 117,776,756.25
  5. Step 5: Solve for x
    x = 117,776,756.25/6,819
  6. Step 6: Final answer
    x = 17,271.85

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.