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Finding the Third Proportional to 252,686 and 549,916

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Solution

The third proportional to 252,686 and 549,916 is: 1,196,772.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,686 : 549,916 = 549,916 : x
  2. Step 2: Convert to fraction form
    252,686/549,916 = 549,916/x
  3. Step 3: Cross multiply
    252,686x = 549,916 × 549,916
  4. Step 4: Simplify right side
    252,686x = 302,407,607,056
  5. Step 5: Solve for x
    x = 302,407,607,056/252,686
  6. Step 6: Final answer
    x = 1,196,772.31

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.