Home / 223,685-338,785

Finding the Third Proportional to 223,685 and 338,785

Calculator

Solution

The third proportional to 223,685 and 338,785 is: 513,111.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,685 : 338,785 = 338,785 : x
  2. Step 2: Convert to fraction form
    223,685/338,785 = 338,785/x
  3. Step 3: Cross multiply
    223,685x = 338,785 × 338,785
  4. Step 4: Simplify right side
    223,685x = 114,775,276,225
  5. Step 5: Solve for x
    x = 114,775,276,225/223,685
  6. Step 6: Final answer
    x = 513,111.19

Related Problems

Find third proportional to 111,842.50 and 169,392.50
Half scale
Find third proportional to 447,370 and 677,570
Double scale
Find third proportional to 223,687 and 338,788
Similar ratio
Find third proportional to 335,527.50 and 508,177.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.