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Finding the Third Proportional to 31,329 and 46,983

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Solution

The third proportional to 31,329 and 46,983 is: 70,458.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,329 : 46,983 = 46,983 : x
  2. Step 2: Convert to fraction form
    31,329/46,983 = 46,983/x
  3. Step 3: Cross multiply
    31,329x = 46,983 × 46,983
  4. Step 4: Simplify right side
    31,329x = 2,207,402,289
  5. Step 5: Solve for x
    x = 2,207,402,289/31,329
  6. Step 6: Final answer
    x = 70,458.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.