Home / 4,980-11,770

Finding the Third Proportional to 4,980 and 11,770

Calculator

Solution

The third proportional to 4,980 and 11,770 is: 27,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980 : 11,770 = 11,770 : x
  2. Step 2: Convert to fraction form
    4,980/11,770 = 11,770/x
  3. Step 3: Cross multiply
    4,980x = 11,770 × 11,770
  4. Step 4: Simplify right side
    4,980x = 138,532,900
  5. Step 5: Solve for x
    x = 138,532,900/4,980
  6. Step 6: Final answer
    x = 27,817.85

Related Problems

Find third proportional to 2,490 and 5,885
Half scale
Find third proportional to 9,960 and 23,540
Double scale
Find third proportional to 4,982 and 11,775
Similar ratio
Find third proportional to 7,470 and 17,655
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.