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Finding the Third Proportional to 549,611 and 874,285

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Solution

The third proportional to 549,611 and 874,285 is: 1,390,755.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,611 : 874,285 = 874,285 : x
  2. Step 2: Convert to fraction form
    549,611/874,285 = 874,285/x
  3. Step 3: Cross multiply
    549,611x = 874,285 × 874,285
  4. Step 4: Simplify right side
    549,611x = 764,374,261,225
  5. Step 5: Solve for x
    x = 764,374,261,225/549,611
  6. Step 6: Final answer
    x = 1,390,755.03

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.