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Finding the Third Proportional to 958,779 and 2,097,972

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Solution

The third proportional to 958,779 and 2,097,972 is: 4,590,720.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,779 : 2,097,972 = 2,097,972 : x
  2. Step 2: Convert to fraction form
    958,779/2,097,972 = 2,097,972/x
  3. Step 3: Cross multiply
    958,779x = 2,097,972 × 2,097,972
  4. Step 4: Simplify right side
    958,779x = 4,401,486,512,784
  5. Step 5: Solve for x
    x = 4,401,486,512,784/958,779
  6. Step 6: Final answer
    x = 4,590,720.61

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.