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Finding the Third Proportional to 632,390.50 and 1,380,350

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Solution

The third proportional to 632,390.50 and 1,380,350 is: 3,012,958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,390.50 : 1,380,350 = 1,380,350 : x
  2. Step 2: Convert to fraction form
    632,390.50/1,380,350 = 1,380,350/x
  3. Step 3: Cross multiply
    632,390.50x = 1,380,350 × 1,380,350
  4. Step 4: Simplify right side
    632,390.50x = 1,905,366,122,500
  5. Step 5: Solve for x
    x = 1,905,366,122,500/632,390.50
  6. Step 6: Final answer
    x = 3,012,958.17

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.