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Finding the Third Proportional to 457,779 and 994,368

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Solution

The third proportional to 457,779 and 994,368 is: 2,159,923.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,779 : 994,368 = 994,368 : x
  2. Step 2: Convert to fraction form
    457,779/994,368 = 994,368/x
  3. Step 3: Cross multiply
    457,779x = 994,368 × 994,368
  4. Step 4: Simplify right side
    457,779x = 988,767,719,424
  5. Step 5: Solve for x
    x = 988,767,719,424/457,779
  6. Step 6: Final answer
    x = 2,159,923.72

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.