Home / 63,155-138,764

Finding the Third Proportional to 63,155 and 138,764

Calculator

Solution

The third proportional to 63,155 and 138,764 is: 304,891.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,155 : 138,764 = 138,764 : x
  2. Step 2: Convert to fraction form
    63,155/138,764 = 138,764/x
  3. Step 3: Cross multiply
    63,155x = 138,764 × 138,764
  4. Step 4: Simplify right side
    63,155x = 19,255,447,696
  5. Step 5: Solve for x
    x = 19,255,447,696/63,155
  6. Step 6: Final answer
    x = 304,891.90

Related Problems

Find third proportional to 31,577.50 and 69,382
Half scale
Find third proportional to 126,310 and 277,528
Double scale
Find third proportional to 63,157 and 138,768
Similar ratio
Find third proportional to 94,732.50 and 208,146
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.