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Finding the Third Proportional to 16,440 and 25,755

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Solution

The third proportional to 16,440 and 25,755 is: 40,347.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,440 : 25,755 = 25,755 : x
  2. Step 2: Convert to fraction form
    16,440/25,755 = 25,755/x
  3. Step 3: Cross multiply
    16,440x = 25,755 × 25,755
  4. Step 4: Simplify right side
    16,440x = 663,320,025
  5. Step 5: Solve for x
    x = 663,320,025/16,440
  6. Step 6: Final answer
    x = 40,347.93

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.