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Finding the Third Proportional to 267,245 and 556,603

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Solution

The third proportional to 267,245 and 556,603 is: 1,159,261.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,245 : 556,603 = 556,603 : x
  2. Step 2: Convert to fraction form
    267,245/556,603 = 556,603/x
  3. Step 3: Cross multiply
    267,245x = 556,603 × 556,603
  4. Step 4: Simplify right side
    267,245x = 309,806,899,609
  5. Step 5: Solve for x
    x = 309,806,899,609/267,245
  6. Step 6: Final answer
    x = 1,159,261.72

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.