Home / 259,800-556,980

Finding the Third Proportional to 259,800 and 556,980

Calculator

Solution

The third proportional to 259,800 and 556,980 is: 1,194,098.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,800 : 556,980 = 556,980 : x
  2. Step 2: Convert to fraction form
    259,800/556,980 = 556,980/x
  3. Step 3: Cross multiply
    259,800x = 556,980 × 556,980
  4. Step 4: Simplify right side
    259,800x = 310,226,720,400
  5. Step 5: Solve for x
    x = 310,226,720,400/259,800
  6. Step 6: Final answer
    x = 1,194,098.23

Related Problems

Find third proportional to 129,900 and 278,490
Half scale
Find third proportional to 519,600 and 1,113,960
Double scale
Find third proportional to 259,802 and 556,984
Similar ratio
Find third proportional to 389,700 and 835,470
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.