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Finding the Third Proportional to 443,138 and 966,476

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Solution

The third proportional to 443,138 and 966,476 is: 2,107,866.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,138 : 966,476 = 966,476 : x
  2. Step 2: Convert to fraction form
    443,138/966,476 = 966,476/x
  3. Step 3: Cross multiply
    443,138x = 966,476 × 966,476
  4. Step 4: Simplify right side
    443,138x = 934,075,858,576
  5. Step 5: Solve for x
    x = 934,075,858,576/443,138
  6. Step 6: Final answer
    x = 2,107,866.76

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.