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Finding the Third Proportional to 329,604 and 705,868

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Solution

The third proportional to 329,604 and 705,868 is: 1,511,661.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,604 : 705,868 = 705,868 : x
  2. Step 2: Convert to fraction form
    329,604/705,868 = 705,868/x
  3. Step 3: Cross multiply
    329,604x = 705,868 × 705,868
  4. Step 4: Simplify right side
    329,604x = 498,249,633,424
  5. Step 5: Solve for x
    x = 498,249,633,424/329,604
  6. Step 6: Final answer
    x = 1,511,661.37

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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.