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Finding the Third Proportional to 16,458 and 26,739

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Solution

The third proportional to 16,458 and 26,739 is: 43,442.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,458 : 26,739 = 26,739 : x
  2. Step 2: Convert to fraction form
    16,458/26,739 = 26,739/x
  3. Step 3: Cross multiply
    16,458x = 26,739 × 26,739
  4. Step 4: Simplify right side
    16,458x = 714,974,121
  5. Step 5: Solve for x
    x = 714,974,121/16,458
  6. Step 6: Final answer
    x = 43,442.35

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.