Home / 121,491-283,764

Finding the Third Proportional to 121,491 and 283,764

Calculator

Solution

The third proportional to 121,491 and 283,764 is: 662,781.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,491 : 283,764 = 283,764 : x
  2. Step 2: Convert to fraction form
    121,491/283,764 = 283,764/x
  3. Step 3: Cross multiply
    121,491x = 283,764 × 283,764
  4. Step 4: Simplify right side
    121,491x = 80,522,007,696
  5. Step 5: Solve for x
    x = 80,522,007,696/121,491
  6. Step 6: Final answer
    x = 662,781.67

Related Problems

Find third proportional to 60,745.50 and 141,882
Half scale
Find third proportional to 242,982 and 567,528
Double scale
Find third proportional to 121,493 and 283,769
Similar ratio
Find third proportional to 182,236.50 and 425,646
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.