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Finding the Third Proportional to 340,042 and 499,694

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Solution

The third proportional to 340,042 and 499,694 is: 734,303.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,042 : 499,694 = 499,694 : x
  2. Step 2: Convert to fraction form
    340,042/499,694 = 499,694/x
  3. Step 3: Cross multiply
    340,042x = 499,694 × 499,694
  4. Step 4: Simplify right side
    340,042x = 249,694,093,636
  5. Step 5: Solve for x
    x = 249,694,093,636/340,042
  6. Step 6: Final answer
    x = 734,303.68

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.