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Finding the Third Proportional to 133,984,889 and 290,228,608

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Solution

The third proportional to 133,984,889 and 290,228,608 is: 628,672,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,984,889 : 290,228,608 = 290,228,608 : x
  2. Step 2: Convert to fraction form
    133,984,889/290,228,608 = 290,228,608/x
  3. Step 3: Cross multiply
    133,984,889x = 290,228,608 × 290,228,608
  4. Step 4: Simplify right side
    133,984,889x = 84,232,644,901,617,664
  5. Step 5: Solve for x
    x = 84,232,644,901,617,664/133,984,889
  6. Step 6: Final answer
    x = 628,672,722.20

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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.