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Finding the Third Proportional to 387,645,960 and 850,611,384

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Solution

The third proportional to 387,645,960 and 850,611,384 is: 1,866,496,239.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,645,960 : 850,611,384 = 850,611,384 : x
  2. Step 2: Convert to fraction form
    387,645,960/850,611,384 = 850,611,384/x
  3. Step 3: Cross multiply
    387,645,960x = 850,611,384 × 850,611,384
  4. Step 4: Simplify right side
    387,645,960x = 723,539,726,590,395,392
  5. Step 5: Solve for x
    x = 723,539,726,590,395,392/387,645,960
  6. Step 6: Final answer
    x = 1,866,496,239.48

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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.