Home / 55,540-81,006

Finding the Third Proportional to 55,540 and 81,006

Calculator

Solution

The third proportional to 55,540 and 81,006 is: 118,148.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,540 : 81,006 = 81,006 : x
  2. Step 2: Convert to fraction form
    55,540/81,006 = 81,006/x
  3. Step 3: Cross multiply
    55,540x = 81,006 × 81,006
  4. Step 4: Simplify right side
    55,540x = 6,561,972,036
  5. Step 5: Solve for x
    x = 6,561,972,036/55,540
  6. Step 6: Final answer
    x = 118,148.58

Related Problems

Find third proportional to 27,770 and 40,503
Half scale
Find third proportional to 111,080 and 162,012
Double scale
Find third proportional to 55,542 and 81,009
Similar ratio
Find third proportional to 83,310 and 121,509
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.