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Finding the Third Proportional to 903,276 and 1,986,205.50

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Solution

The third proportional to 903,276 and 1,986,205.50 is: 4,367,449.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,276 : 1,986,205.50 = 1,986,205.50 : x
  2. Step 2: Convert to fraction form
    903,276/1,986,205.50 = 1,986,205.50/x
  3. Step 3: Cross multiply
    903,276x = 1,986,205.50 × 1,986,205.50
  4. Step 4: Simplify right side
    903,276x = 3,945,012,288,230.25
  5. Step 5: Solve for x
    x = 3,945,012,288,230.25/903,276
  6. Step 6: Final answer
    x = 4,367,449.47

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.