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Finding the Third Proportional to 12,818.25 and 26,657.25

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Solution

The third proportional to 12,818.25 and 26,657.25 is: 55,437.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,818.25 : 26,657.25 = 26,657.25 : x
  2. Step 2: Convert to fraction form
    12,818.25/26,657.25 = 26,657.25/x
  3. Step 3: Cross multiply
    12,818.25x = 26,657.25 × 26,657.25
  4. Step 4: Simplify right side
    12,818.25x = 710,608,977.56
  5. Step 5: Solve for x
    x = 710,608,977.56/12,818.25
  6. Step 6: Final answer
    x = 55,437.28

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.