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Finding the Third Proportional to 339,653 and 719,766

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Solution

The third proportional to 339,653 and 719,766 is: 1,525,271.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,653 : 719,766 = 719,766 : x
  2. Step 2: Convert to fraction form
    339,653/719,766 = 719,766/x
  3. Step 3: Cross multiply
    339,653x = 719,766 × 719,766
  4. Step 4: Simplify right side
    339,653x = 518,063,094,756
  5. Step 5: Solve for x
    x = 518,063,094,756/339,653
  6. Step 6: Final answer
    x = 1,525,271.66

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.