Home / 326,740-499,721

Finding the Third Proportional to 326,740 and 499,721

Calculator

Solution

The third proportional to 326,740 and 499,721 is: 764,280.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,740 : 499,721 = 499,721 : x
  2. Step 2: Convert to fraction form
    326,740/499,721 = 499,721/x
  3. Step 3: Cross multiply
    326,740x = 499,721 × 499,721
  4. Step 4: Simplify right side
    326,740x = 249,721,077,841
  5. Step 5: Solve for x
    x = 249,721,077,841/326,740
  6. Step 6: Final answer
    x = 764,280.71

Related Problems

Find third proportional to 163,370 and 249,860.50
Half scale
Find third proportional to 653,480 and 999,442
Double scale
Find third proportional to 326,742 and 499,724
Similar ratio
Find third proportional to 490,110 and 749,581.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.