Home / 618,830-957,387

Finding the Third Proportional to 618,830 and 957,387

Calculator

Solution

The third proportional to 618,830 and 957,387 is: 1,481,165.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,830 : 957,387 = 957,387 : x
  2. Step 2: Convert to fraction form
    618,830/957,387 = 957,387/x
  3. Step 3: Cross multiply
    618,830x = 957,387 × 957,387
  4. Step 4: Simplify right side
    618,830x = 916,589,867,769
  5. Step 5: Solve for x
    x = 916,589,867,769/618,830
  6. Step 6: Final answer
    x = 1,481,165.86

Related Problems

Find third proportional to 309,415 and 478,693.50
Half scale
Find third proportional to 1,237,660 and 1,914,774
Double scale
Find third proportional to 618,832 and 957,390
Similar ratio
Find third proportional to 928,245 and 1,436,080.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.