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Finding the Third Proportional to 321,040 and 476,937

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Solution

The third proportional to 321,040 and 476,937 is: 708,537.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,040 : 476,937 = 476,937 : x
  2. Step 2: Convert to fraction form
    321,040/476,937 = 476,937/x
  3. Step 3: Cross multiply
    321,040x = 476,937 × 476,937
  4. Step 4: Simplify right side
    321,040x = 227,468,901,969
  5. Step 5: Solve for x
    x = 227,468,901,969/321,040
  6. Step 6: Final answer
    x = 708,537.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.