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Finding the Third Proportional to 5,073,529,878 and 7,761,932,631

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Solution

The third proportional to 5,073,529,878 and 7,761,932,631 is: 11,874,887,823.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,073,529,878 : 7,761,932,631 = 7,761,932,631 : x
  2. Step 2: Convert to fraction form
    5,073,529,878/7,761,932,631 = 7,761,932,631/x
  3. Step 3: Cross multiply
    5,073,529,878x = 7,761,932,631 × 7,761,932,631
  4. Step 4: Simplify right side
    5,073,529,878x = 60,247,598,168,182,579,200
  5. Step 5: Solve for x
    x = 60,247,598,168,182,579,200/5,073,529,878
  6. Step 6: Final answer
    x = 11,874,887,823.06

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.