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Finding the Third Proportional to 350,440 and 549,104

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Solution

The third proportional to 350,440 and 549,104 is: 860,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,440 : 549,104 = 549,104 : x
  2. Step 2: Convert to fraction form
    350,440/549,104 = 549,104/x
  3. Step 3: Cross multiply
    350,440x = 549,104 × 549,104
  4. Step 4: Simplify right side
    350,440x = 301,515,202,816
  5. Step 5: Solve for x
    x = 301,515,202,816/350,440
  6. Step 6: Final answer
    x = 860,390.37

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.