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Finding the Third Proportional to 572,650 and 1,221,134

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Solution

The third proportional to 572,650 and 1,221,134 is: 2,603,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,650 : 1,221,134 = 1,221,134 : x
  2. Step 2: Convert to fraction form
    572,650/1,221,134 = 1,221,134/x
  3. Step 3: Cross multiply
    572,650x = 1,221,134 × 1,221,134
  4. Step 4: Simplify right side
    572,650x = 1,491,168,245,956
  5. Step 5: Solve for x
    x = 1,491,168,245,956/572,650
  6. Step 6: Final answer
    x = 2,603,978.43

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.