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Finding the Third Proportional to 519.75 and 1,014.47

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Solution

The third proportional to 519.75 and 1,014.47 is: 1,980.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    519.75 : 1,014.47 = 1,014.47 : x
  2. Step 2: Convert to fraction form
    519.75/1,014.47 = 1,014.47/x
  3. Step 3: Cross multiply
    519.75x = 1,014.47 × 1,014.47
  4. Step 4: Simplify right side
    519.75x = 1,029,146.84
  5. Step 5: Solve for x
    x = 1,029,146.84/519.75
  6. Step 6: Final answer
    x = 1,980.08

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.