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Finding the Third Proportional to 387,645,954 and 850,611,372

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Solution

The third proportional to 387,645,954 and 850,611,372 is: 1,866,496,215.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,645,954 : 850,611,372 = 850,611,372 : x
  2. Step 2: Convert to fraction form
    387,645,954/850,611,372 = 850,611,372/x
  3. Step 3: Cross multiply
    387,645,954x = 850,611,372 × 850,611,372
  4. Step 4: Simplify right side
    387,645,954x = 723,539,706,175,722,368
  5. Step 5: Solve for x
    x = 723,539,706,175,722,368/387,645,954
  6. Step 6: Final answer
    x = 1,866,496,215.71

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.