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Finding the Third Proportional to 14,878 and 23,921

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Solution

The third proportional to 14,878 and 23,921 is: 38,460.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,878 : 23,921 = 23,921 : x
  2. Step 2: Convert to fraction form
    14,878/23,921 = 23,921/x
  3. Step 3: Cross multiply
    14,878x = 23,921 × 23,921
  4. Step 4: Simplify right side
    14,878x = 572,214,241
  5. Step 5: Solve for x
    x = 572,214,241/14,878
  6. Step 6: Final answer
    x = 38,460.43

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.