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Finding the Third Proportional to 653,890.50 and 1,385,568

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Solution

The third proportional to 653,890.50 and 1,385,568 is: 2,935,963.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,890.50 : 1,385,568 = 1,385,568 : x
  2. Step 2: Convert to fraction form
    653,890.50/1,385,568 = 1,385,568/x
  3. Step 3: Cross multiply
    653,890.50x = 1,385,568 × 1,385,568
  4. Step 4: Simplify right side
    653,890.50x = 1,919,798,682,624
  5. Step 5: Solve for x
    x = 1,919,798,682,624/653,890.50
  6. Step 6: Final answer
    x = 2,935,963.56

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.