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Finding the Third Proportional to 328,971,173 and 722,504,521

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Solution

The third proportional to 328,971,173 and 722,504,521 is: 1,586,804,029.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,971,173 : 722,504,521 = 722,504,521 : x
  2. Step 2: Convert to fraction form
    328,971,173/722,504,521 = 722,504,521/x
  3. Step 3: Cross multiply
    328,971,173x = 722,504,521 × 722,504,521
  4. Step 4: Simplify right side
    328,971,173x = 522,012,782,865,439,424
  5. Step 5: Solve for x
    x = 522,012,782,865,439,424/328,971,173
  6. Step 6: Final answer
    x = 1,586,804,029.38

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.