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Finding the Third Proportional to 889,726 and 2,099,421

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Solution

The third proportional to 889,726 and 2,099,421 is: 4,953,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,726 : 2,099,421 = 2,099,421 : x
  2. Step 2: Convert to fraction form
    889,726/2,099,421 = 2,099,421/x
  3. Step 3: Cross multiply
    889,726x = 2,099,421 × 2,099,421
  4. Step 4: Simplify right side
    889,726x = 4,407,568,535,241
  5. Step 5: Solve for x
    x = 4,407,568,535,241/889,726
  6. Step 6: Final answer
    x = 4,953,849.31

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.