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Finding the Third Proportional to 980,540.44 and 2,118,636.84

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Solution

The third proportional to 980,540.44 and 2,118,636.84 is: 4,577,702.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,540.44 : 2,118,636.84 = 2,118,636.84 : x
  2. Step 2: Convert to fraction form
    980,540.44/2,118,636.84 = 2,118,636.84/x
  3. Step 3: Cross multiply
    980,540.44x = 2,118,636.84 × 2,118,636.84
  4. Step 4: Simplify right side
    980,540.44x = 4,488,622,075,694.96
  5. Step 5: Solve for x
    x = 4,488,622,075,694.96/980,540.44
  6. Step 6: Final answer
    x = 4,577,702.16

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.