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Finding the Third Proportional to 291,652,360 and 426,405,936

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Solution

The third proportional to 291,652,360 and 426,405,936 is: 623,420,370.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,652,360 : 426,405,936 = 426,405,936 : x
  2. Step 2: Convert to fraction form
    291,652,360/426,405,936 = 426,405,936/x
  3. Step 3: Cross multiply
    291,652,360x = 426,405,936 × 426,405,936
  4. Step 4: Simplify right side
    291,652,360x = 181,822,022,256,036,096
  5. Step 5: Solve for x
    x = 181,822,022,256,036,096/291,652,360
  6. Step 6: Final answer
    x = 623,420,370.25

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.