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Finding the Third Proportional to 1,965.50 and 4,486

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Solution

The third proportional to 1,965.50 and 4,486 is: 10,238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.50 : 4,486 = 4,486 : x
  2. Step 2: Convert to fraction form
    1,965.50/4,486 = 4,486/x
  3. Step 3: Cross multiply
    1,965.50x = 4,486 × 4,486
  4. Step 4: Simplify right side
    1,965.50x = 20,124,196
  5. Step 5: Solve for x
    x = 20,124,196/1,965.50
  6. Step 6: Final answer
    x = 10,238.72

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.