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Finding the Third Proportional to 689,591,970 and 1,532,238,836

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Solution

The third proportional to 689,591,970 and 1,532,238,836 is: 3,404,557,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,591,970 : 1,532,238,836 = 1,532,238,836 : x
  2. Step 2: Convert to fraction form
    689,591,970/1,532,238,836 = 1,532,238,836/x
  3. Step 3: Cross multiply
    689,591,970x = 1,532,238,836 × 1,532,238,836
  4. Step 4: Simplify right side
    689,591,970x = 2,347,755,850,546,634,752
  5. Step 5: Solve for x
    x = 2,347,755,850,546,634,752/689,591,970
  6. Step 6: Final answer
    x = 3,404,557,988.90

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.