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Finding the Third Proportional to 552,440 and 1,203,288

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Solution

The third proportional to 552,440 and 1,203,288 is: 2,620,921.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,440 : 1,203,288 = 1,203,288 : x
  2. Step 2: Convert to fraction form
    552,440/1,203,288 = 1,203,288/x
  3. Step 3: Cross multiply
    552,440x = 1,203,288 × 1,203,288
  4. Step 4: Simplify right side
    552,440x = 1,447,902,010,944
  5. Step 5: Solve for x
    x = 1,447,902,010,944/552,440
  6. Step 6: Final answer
    x = 2,620,921.75

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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.