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Finding the Third Proportional to 1,286,521.50 and 2,739,435

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Solution

The third proportional to 1,286,521.50 and 2,739,435 is: 5,833,174.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,521.50 : 2,739,435 = 2,739,435 : x
  2. Step 2: Convert to fraction form
    1,286,521.50/2,739,435 = 2,739,435/x
  3. Step 3: Cross multiply
    1,286,521.50x = 2,739,435 × 2,739,435
  4. Step 4: Simplify right side
    1,286,521.50x = 7,504,504,119,225
  5. Step 5: Solve for x
    x = 7,504,504,119,225/1,286,521.50
  6. Step 6: Final answer
    x = 5,833,174.28

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.