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Finding the Third Proportional to 12,670.25 and 26,980.75

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Solution

The third proportional to 12,670.25 and 26,980.75 is: 57,454.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670.25 : 26,980.75 = 26,980.75 : x
  2. Step 2: Convert to fraction form
    12,670.25/26,980.75 = 26,980.75/x
  3. Step 3: Cross multiply
    12,670.25x = 26,980.75 × 26,980.75
  4. Step 4: Simplify right side
    12,670.25x = 727,960,870.56
  5. Step 5: Solve for x
    x = 727,960,870.56/12,670.25
  6. Step 6: Final answer
    x = 57,454.34

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.