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Finding the Third Proportional to 1,690,939.50 and 3,548,045

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Solution

The third proportional to 1,690,939.50 and 3,548,045 is: 7,444,750.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,939.50 : 3,548,045 = 3,548,045 : x
  2. Step 2: Convert to fraction form
    1,690,939.50/3,548,045 = 3,548,045/x
  3. Step 3: Cross multiply
    1,690,939.50x = 3,548,045 × 3,548,045
  4. Step 4: Simplify right side
    1,690,939.50x = 12,588,623,322,025
  5. Step 5: Solve for x
    x = 12,588,623,322,025/1,690,939.50
  6. Step 6: Final answer
    x = 7,444,750.87

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.