Home / 54,780-84,589

Finding the Third Proportional to 54,780 and 84,589

Calculator

Solution

The third proportional to 54,780 and 84,589 is: 130,618.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,780 : 84,589 = 84,589 : x
  2. Step 2: Convert to fraction form
    54,780/84,589 = 84,589/x
  3. Step 3: Cross multiply
    54,780x = 84,589 × 84,589
  4. Step 4: Simplify right side
    54,780x = 7,155,298,921
  5. Step 5: Solve for x
    x = 7,155,298,921/54,780
  6. Step 6: Final answer
    x = 130,618.82

Related Problems

Find third proportional to 27,390 and 42,294.50
Half scale
Find third proportional to 109,560 and 169,178
Double scale
Find third proportional to 54,782 and 84,592
Similar ratio
Find third proportional to 82,170 and 126,883.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.