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Finding the Third Proportional to 328,987,156 and 731,531,146

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Solution

The third proportional to 328,987,156 and 731,531,146 is: 1,626,622,218.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,987,156 : 731,531,146 = 731,531,146 : x
  2. Step 2: Convert to fraction form
    328,987,156/731,531,146 = 731,531,146/x
  3. Step 3: Cross multiply
    328,987,156x = 731,531,146 × 731,531,146
  4. Step 4: Simplify right side
    328,987,156x = 535,137,817,568,073,344
  5. Step 5: Solve for x
    x = 535,137,817,568,073,344/328,987,156
  6. Step 6: Final answer
    x = 1,626,622,218.55

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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.