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Finding the Third Proportional to 5,106 and 6,556.50

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Solution

The third proportional to 5,106 and 6,556.50 is: 8,419.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106 : 6,556.50 = 6,556.50 : x
  2. Step 2: Convert to fraction form
    5,106/6,556.50 = 6,556.50/x
  3. Step 3: Cross multiply
    5,106x = 6,556.50 × 6,556.50
  4. Step 4: Simplify right side
    5,106x = 42,987,692.25
  5. Step 5: Solve for x
    x = 42,987,692.25/5,106
  6. Step 6: Final answer
    x = 8,419.05

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.