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Finding the Third Proportional to 955,611 and 2,100,056

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Solution

The third proportional to 955,611 and 2,100,056 is: 4,615,094.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,611 : 2,100,056 = 2,100,056 : x
  2. Step 2: Convert to fraction form
    955,611/2,100,056 = 2,100,056/x
  3. Step 3: Cross multiply
    955,611x = 2,100,056 × 2,100,056
  4. Step 4: Simplify right side
    955,611x = 4,410,235,203,136
  5. Step 5: Solve for x
    x = 4,410,235,203,136/955,611
  6. Step 6: Final answer
    x = 4,615,094.64

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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.