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Finding the Third Proportional to 647,367.75 and 980,048.25

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Solution

The third proportional to 647,367.75 and 980,048.25 is: 1,483,692.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,367.75 : 980,048.25 = 980,048.25 : x
  2. Step 2: Convert to fraction form
    647,367.75/980,048.25 = 980,048.25/x
  3. Step 3: Cross multiply
    647,367.75x = 980,048.25 × 980,048.25
  4. Step 4: Simplify right side
    647,367.75x = 960,494,572,328.06
  5. Step 5: Solve for x
    x = 960,494,572,328.06/647,367.75
  6. Step 6: Final answer
    x = 1,483,692.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.