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Finding the Third Proportional to 619,872.75 and 957,861

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Solution

The third proportional to 619,872.75 and 957,861 is: 1,480,138.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,872.75 : 957,861 = 957,861 : x
  2. Step 2: Convert to fraction form
    619,872.75/957,861 = 957,861/x
  3. Step 3: Cross multiply
    619,872.75x = 957,861 × 957,861
  4. Step 4: Simplify right side
    619,872.75x = 917,497,695,321
  5. Step 5: Solve for x
    x = 917,497,695,321/619,872.75
  6. Step 6: Final answer
    x = 1,480,138.78

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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.