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Finding the Third Proportional to 30,231 and 46,925

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Solution

The third proportional to 30,231 and 46,925 is: 72,837.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,231 : 46,925 = 46,925 : x
  2. Step 2: Convert to fraction form
    30,231/46,925 = 46,925/x
  3. Step 3: Cross multiply
    30,231x = 46,925 × 46,925
  4. Step 4: Simplify right side
    30,231x = 2,201,955,625
  5. Step 5: Solve for x
    x = 2,201,955,625/30,231
  6. Step 6: Final answer
    x = 72,837.67

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.