Home / 708,960-1,089,721

Finding the Third Proportional to 708,960 and 1,089,721

Calculator

Solution

The third proportional to 708,960 and 1,089,721 is: 1,674,977.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,960 : 1,089,721 = 1,089,721 : x
  2. Step 2: Convert to fraction form
    708,960/1,089,721 = 1,089,721/x
  3. Step 3: Cross multiply
    708,960x = 1,089,721 × 1,089,721
  4. Step 4: Simplify right side
    708,960x = 1,187,491,857,841
  5. Step 5: Solve for x
    x = 1,187,491,857,841/708,960
  6. Step 6: Final answer
    x = 1,674,977.23

Related Problems

Find third proportional to 354,480 and 544,860.50
Half scale
Find third proportional to 1,417,920 and 2,179,442
Double scale
Find third proportional to 708,962 and 1,089,724
Similar ratio
Find third proportional to 1,063,440 and 1,634,581.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.