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Finding the Third Proportional to 771,240 and 1,660,899

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Solution

The third proportional to 771,240 and 1,660,899 is: 3,576,818.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,240 : 1,660,899 = 1,660,899 : x
  2. Step 2: Convert to fraction form
    771,240/1,660,899 = 1,660,899/x
  3. Step 3: Cross multiply
    771,240x = 1,660,899 × 1,660,899
  4. Step 4: Simplify right side
    771,240x = 2,758,585,488,201
  5. Step 5: Solve for x
    x = 2,758,585,488,201/771,240
  6. Step 6: Final answer
    x = 3,576,818.48

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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.