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Finding the Third Proportional to 387,784,987 and 848,539,958

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Solution

The third proportional to 387,784,987 and 848,539,958 is: 1,856,750,736.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,784,987 : 848,539,958 = 848,539,958 : x
  2. Step 2: Convert to fraction form
    387,784,987/848,539,958 = 848,539,958/x
  3. Step 3: Cross multiply
    387,784,987x = 848,539,958 × 848,539,958
  4. Step 4: Simplify right side
    387,784,987x = 720,020,060,322,641,792
  5. Step 5: Solve for x
    x = 720,020,060,322,641,792/387,784,987
  6. Step 6: Final answer
    x = 1,856,750,736.78

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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.