Home / 54,030-115,620

Finding the Third Proportional to 54,030 and 115,620

Calculator

Solution

The third proportional to 54,030 and 115,620 is: 247,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,030 : 115,620 = 115,620 : x
  2. Step 2: Convert to fraction form
    54,030/115,620 = 115,620/x
  3. Step 3: Cross multiply
    54,030x = 115,620 × 115,620
  4. Step 4: Simplify right side
    54,030x = 13,367,984,400
  5. Step 5: Solve for x
    x = 13,367,984,400/54,030
  6. Step 6: Final answer
    x = 247,417.81

Related Problems

Find third proportional to 27,015 and 57,810
Half scale
Find third proportional to 108,060 and 231,240
Double scale
Find third proportional to 54,032 and 115,624
Similar ratio
Find third proportional to 81,045 and 173,430
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.