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Finding the Third Proportional to 638,084 and 957,126

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Solution

The third proportional to 638,084 and 957,126 is: 1,435,689

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,084 : 957,126 = 957,126 : x
  2. Step 2: Convert to fraction form
    638,084/957,126 = 957,126/x
  3. Step 3: Cross multiply
    638,084x = 957,126 × 957,126
  4. Step 4: Simplify right side
    638,084x = 916,090,179,876
  5. Step 5: Solve for x
    x = 916,090,179,876/638,084
  6. Step 6: Final answer
    x = 1,435,689

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.