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Finding the Third Proportional to 260,024 and 388,954

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Solution

The third proportional to 260,024 and 388,954 is: 581,812.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,024 : 388,954 = 388,954 : x
  2. Step 2: Convert to fraction form
    260,024/388,954 = 388,954/x
  3. Step 3: Cross multiply
    260,024x = 388,954 × 388,954
  4. Step 4: Simplify right side
    260,024x = 151,285,214,116
  5. Step 5: Solve for x
    x = 151,285,214,116/260,024
  6. Step 6: Final answer
    x = 581,812.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.