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Finding the Third Proportional to 877,071 and 1,889,493

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Solution

The third proportional to 877,071 and 1,889,493 is: 4,070,575.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,071 : 1,889,493 = 1,889,493 : x
  2. Step 2: Convert to fraction form
    877,071/1,889,493 = 1,889,493/x
  3. Step 3: Cross multiply
    877,071x = 1,889,493 × 1,889,493
  4. Step 4: Simplify right side
    877,071x = 3,570,183,797,049
  5. Step 5: Solve for x
    x = 3,570,183,797,049/877,071
  6. Step 6: Final answer
    x = 4,070,575.58

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.