Home / 138,954-282,818

Finding the Third Proportional to 138,954 and 282,818

Calculator

Solution

The third proportional to 138,954 and 282,818 is: 575,629.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,954 : 282,818 = 282,818 : x
  2. Step 2: Convert to fraction form
    138,954/282,818 = 282,818/x
  3. Step 3: Cross multiply
    138,954x = 282,818 × 282,818
  4. Step 4: Simplify right side
    138,954x = 79,986,021,124
  5. Step 5: Solve for x
    x = 79,986,021,124/138,954
  6. Step 6: Final answer
    x = 575,629.50

Related Problems

Find third proportional to 69,477 and 141,409
Half scale
Find third proportional to 277,908 and 565,636
Double scale
Find third proportional to 138,956 and 282,822
Similar ratio
Find third proportional to 208,431 and 424,227
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.