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Finding the Third Proportional to 399,032 and 583,662

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Solution

The third proportional to 399,032 and 583,662 is: 853,719.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,032 : 583,662 = 583,662 : x
  2. Step 2: Convert to fraction form
    399,032/583,662 = 583,662/x
  3. Step 3: Cross multiply
    399,032x = 583,662 × 583,662
  4. Step 4: Simplify right side
    399,032x = 340,661,330,244
  5. Step 5: Solve for x
    x = 340,661,330,244/399,032
  6. Step 6: Final answer
    x = 853,719.33

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.