Home / 64,873-139,446

Finding the Third Proportional to 64,873 and 139,446

Calculator

Solution

The third proportional to 64,873 and 139,446 is: 299,742.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,873 : 139,446 = 139,446 : x
  2. Step 2: Convert to fraction form
    64,873/139,446 = 139,446/x
  3. Step 3: Cross multiply
    64,873x = 139,446 × 139,446
  4. Step 4: Simplify right side
    64,873x = 19,445,186,916
  5. Step 5: Solve for x
    x = 19,445,186,916/64,873
  6. Step 6: Final answer
    x = 299,742.37

Related Problems

Find third proportional to 32,436.50 and 69,723
Half scale
Find third proportional to 129,746 and 278,892
Double scale
Find third proportional to 64,875 and 139,450
Similar ratio
Find third proportional to 97,309.50 and 209,169
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.