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Finding the Third Proportional to 622,226 and 1,329,742

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Solution

The third proportional to 622,226 and 1,329,742 is: 2,841,754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,226 : 1,329,742 = 1,329,742 : x
  2. Step 2: Convert to fraction form
    622,226/1,329,742 = 1,329,742/x
  3. Step 3: Cross multiply
    622,226x = 1,329,742 × 1,329,742
  4. Step 4: Simplify right side
    622,226x = 1,768,213,786,564
  5. Step 5: Solve for x
    x = 1,768,213,786,564/622,226
  6. Step 6: Final answer
    x = 2,841,754.90

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.