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Finding the Third Proportional to 292,181 and 628,750

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Solution

The third proportional to 292,181 and 628,750 is: 1,353,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,181 : 628,750 = 628,750 : x
  2. Step 2: Convert to fraction form
    292,181/628,750 = 628,750/x
  3. Step 3: Cross multiply
    292,181x = 628,750 × 628,750
  4. Step 4: Simplify right side
    292,181x = 395,326,562,500
  5. Step 5: Solve for x
    x = 395,326,562,500/292,181
  6. Step 6: Final answer
    x = 1,353,019.40

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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.