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Finding the Third Proportional to 771,242 and 1,660,903

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Solution

The third proportional to 771,242 and 1,660,903 is: 3,576,826.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,242 : 1,660,903 = 1,660,903 : x
  2. Step 2: Convert to fraction form
    771,242/1,660,903 = 1,660,903/x
  3. Step 3: Cross multiply
    771,242x = 1,660,903 × 1,660,903
  4. Step 4: Simplify right side
    771,242x = 2,758,598,775,409
  5. Step 5: Solve for x
    x = 2,758,598,775,409/771,242
  6. Step 6: Final answer
    x = 3,576,826.44

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.