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Finding the Third Proportional to 339,345 and 745,935

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Solution

The third proportional to 339,345 and 745,935 is: 1,639,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,345 : 745,935 = 745,935 : x
  2. Step 2: Convert to fraction form
    339,345/745,935 = 745,935/x
  3. Step 3: Cross multiply
    339,345x = 745,935 × 745,935
  4. Step 4: Simplify right side
    339,345x = 556,419,024,225
  5. Step 5: Solve for x
    x = 556,419,024,225/339,345
  6. Step 6: Final answer
    x = 1,639,685.35

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.