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Finding the Third Proportional to 4,521 and 7,975.50

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Solution

The third proportional to 4,521 and 7,975.50 is: 14,069.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521 : 7,975.50 = 7,975.50 : x
  2. Step 2: Convert to fraction form
    4,521/7,975.50 = 7,975.50/x
  3. Step 3: Cross multiply
    4,521x = 7,975.50 × 7,975.50
  4. Step 4: Simplify right side
    4,521x = 63,608,600.25
  5. Step 5: Solve for x
    x = 63,608,600.25/4,521
  6. Step 6: Final answer
    x = 14,069.59

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.