Home / 386,031-556,900

Finding the Third Proportional to 386,031 and 556,900

Calculator

Solution

The third proportional to 386,031 and 556,900 is: 803,400.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,031 : 556,900 = 556,900 : x
  2. Step 2: Convert to fraction form
    386,031/556,900 = 556,900/x
  3. Step 3: Cross multiply
    386,031x = 556,900 × 556,900
  4. Step 4: Simplify right side
    386,031x = 310,137,610,000
  5. Step 5: Solve for x
    x = 310,137,610,000/386,031
  6. Step 6: Final answer
    x = 803,400.79

Related Problems

Find third proportional to 193,015.50 and 278,450
Half scale
Find third proportional to 772,062 and 1,113,800
Double scale
Find third proportional to 386,033 and 556,903
Similar ratio
Find third proportional to 579,046.50 and 835,350
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.