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Finding the Third Proportional to 19,868 and 29,340

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Solution

The third proportional to 19,868 and 29,340 is: 43,327.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,868 : 29,340 = 29,340 : x
  2. Step 2: Convert to fraction form
    19,868/29,340 = 29,340/x
  3. Step 3: Cross multiply
    19,868x = 29,340 × 29,340
  4. Step 4: Simplify right side
    19,868x = 860,835,600
  5. Step 5: Solve for x
    x = 860,835,600/19,868
  6. Step 6: Final answer
    x = 43,327.74

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.