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Finding the Third Proportional to 2,576,479.50 and 3,991,437

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Solution

The third proportional to 2,576,479.50 and 3,991,437 is: 6,183,464.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576,479.50 : 3,991,437 = 3,991,437 : x
  2. Step 2: Convert to fraction form
    2,576,479.50/3,991,437 = 3,991,437/x
  3. Step 3: Cross multiply
    2,576,479.50x = 3,991,437 × 3,991,437
  4. Step 4: Simplify right side
    2,576,479.50x = 15,931,569,324,969
  5. Step 5: Solve for x
    x = 15,931,569,324,969/2,576,479.50
  6. Step 6: Final answer
    x = 6,183,464.42

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.