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Finding the Third Proportional to 11,403 and 16,938

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Solution

The third proportional to 11,403 and 16,938 is: 25,159.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403 : 16,938 = 16,938 : x
  2. Step 2: Convert to fraction form
    11,403/16,938 = 16,938/x
  3. Step 3: Cross multiply
    11,403x = 16,938 × 16,938
  4. Step 4: Simplify right side
    11,403x = 286,895,844
  5. Step 5: Solve for x
    x = 286,895,844/11,403
  6. Step 6: Final answer
    x = 25,159.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.