Home / 65,718-143,742

Finding the Third Proportional to 65,718 and 143,742

Calculator

Solution

The third proportional to 65,718 and 143,742 is: 314,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,718 : 143,742 = 143,742 : x
  2. Step 2: Convert to fraction form
    65,718/143,742 = 143,742/x
  3. Step 3: Cross multiply
    65,718x = 143,742 × 143,742
  4. Step 4: Simplify right side
    65,718x = 20,661,762,564
  5. Step 5: Solve for x
    x = 20,661,762,564/65,718
  6. Step 6: Final answer
    x = 314,400.36

Related Problems

Find third proportional to 32,859 and 71,871
Half scale
Find third proportional to 131,436 and 287,484
Double scale
Find third proportional to 65,720 and 143,746
Similar ratio
Find third proportional to 98,577 and 215,613
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.