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Finding the Third Proportional to 12,485.25 and 26,970.75

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Solution

The third proportional to 12,485.25 and 26,970.75 is: 58,262.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485.25 : 26,970.75 = 26,970.75 : x
  2. Step 2: Convert to fraction form
    12,485.25/26,970.75 = 26,970.75/x
  3. Step 3: Cross multiply
    12,485.25x = 26,970.75 × 26,970.75
  4. Step 4: Simplify right side
    12,485.25x = 727,421,355.56
  5. Step 5: Solve for x
    x = 727,421,355.56/12,485.25
  6. Step 6: Final answer
    x = 58,262.46

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.