Home / 54,364-84,021

Finding the Third Proportional to 54,364 and 84,021

Calculator

Solution

The third proportional to 54,364 and 84,021 is: 129,856.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,364 : 84,021 = 84,021 : x
  2. Step 2: Convert to fraction form
    54,364/84,021 = 84,021/x
  3. Step 3: Cross multiply
    54,364x = 84,021 × 84,021
  4. Step 4: Simplify right side
    54,364x = 7,059,528,441
  5. Step 5: Solve for x
    x = 7,059,528,441/54,364
  6. Step 6: Final answer
    x = 129,856.68

Related Problems

Find third proportional to 27,182 and 42,010.50
Half scale
Find third proportional to 108,728 and 168,042
Double scale
Find third proportional to 54,366 and 84,024
Similar ratio
Find third proportional to 81,546 and 126,031.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.