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Finding the Third Proportional to 339,046 and 498,057

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Solution

The third proportional to 339,046 and 498,057 is: 731,643.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,046 : 498,057 = 498,057 : x
  2. Step 2: Convert to fraction form
    339,046/498,057 = 498,057/x
  3. Step 3: Cross multiply
    339,046x = 498,057 × 498,057
  4. Step 4: Simplify right side
    339,046x = 248,060,775,249
  5. Step 5: Solve for x
    x = 248,060,775,249/339,046
  6. Step 6: Final answer
    x = 731,643.42

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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.