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Finding the Third Proportional to 1,999,557 and 2,857,350

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Solution

The third proportional to 1,999,557 and 2,857,350 is: 4,083,128.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,557 : 2,857,350 = 2,857,350 : x
  2. Step 2: Convert to fraction form
    1,999,557/2,857,350 = 2,857,350/x
  3. Step 3: Cross multiply
    1,999,557x = 2,857,350 × 2,857,350
  4. Step 4: Simplify right side
    1,999,557x = 8,164,449,022,500
  5. Step 5: Solve for x
    x = 8,164,449,022,500/1,999,557
  6. Step 6: Final answer
    x = 4,083,128.92

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.