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Finding the Third Proportional to 5,488,453,191 and 7,405,211,951

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Solution

The third proportional to 5,488,453,191 and 7,405,211,951 is: 9,991,369,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488,453,191 : 7,405,211,951 = 7,405,211,951 : x
  2. Step 2: Convert to fraction form
    5,488,453,191/7,405,211,951 = 7,405,211,951/x
  3. Step 3: Cross multiply
    5,488,453,191x = 7,405,211,951 × 7,405,211,951
  4. Step 4: Simplify right side
    5,488,453,191x = 54,837,164,039,233,224,704
  5. Step 5: Solve for x
    x = 54,837,164,039,233,224,704/5,488,453,191
  6. Step 6: Final answer
    x = 9,991,369,540.90

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.