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Finding the Third Proportional to 771,255 and 1,660,905

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Solution

The third proportional to 771,255 and 1,660,905 is: 3,576,774.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,255 : 1,660,905 = 1,660,905 : x
  2. Step 2: Convert to fraction form
    771,255/1,660,905 = 1,660,905/x
  3. Step 3: Cross multiply
    771,255x = 1,660,905 × 1,660,905
  4. Step 4: Simplify right side
    771,255x = 2,758,605,419,025
  5. Step 5: Solve for x
    x = 2,758,605,419,025/771,255
  6. Step 6: Final answer
    x = 3,576,774.76

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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.