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Finding the Third Proportional to 328,987,158 and 731,531,147.63

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Solution

The third proportional to 328,987,158 and 731,531,147.63 is: 1,626,622,215.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,987,158 : 731,531,147.63 = 731,531,147.63 : x
  2. Step 2: Convert to fraction form
    328,987,158/731,531,147.63 = 731,531,147.63/x
  3. Step 3: Cross multiply
    328,987,158x = 731,531,147.63 × 731,531,147.63
  4. Step 4: Simplify right side
    328,987,158x = 535,137,819,945,549,568
  5. Step 5: Solve for x
    x = 535,137,819,945,549,568/328,987,158
  6. Step 6: Final answer
    x = 1,626,622,215.89

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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.