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Finding the Third Proportional to 300,934,989 and 423,782,779

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Solution

The third proportional to 300,934,989 and 423,782,779 is: 596,779,538.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,934,989 : 423,782,779 = 423,782,779 : x
  2. Step 2: Convert to fraction form
    300,934,989/423,782,779 = 423,782,779/x
  3. Step 3: Cross multiply
    300,934,989x = 423,782,779 × 423,782,779
  4. Step 4: Simplify right side
    300,934,989x = 179,591,843,776,962,848
  5. Step 5: Solve for x
    x = 179,591,843,776,962,848/300,934,989
  6. Step 6: Final answer
    x = 596,779,538.24

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.