Home / 65,460-143,664

Finding the Third Proportional to 65,460 and 143,664

Calculator

Solution

The third proportional to 65,460 and 143,664 is: 315,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,460 : 143,664 = 143,664 : x
  2. Step 2: Convert to fraction form
    65,460/143,664 = 143,664/x
  3. Step 3: Cross multiply
    65,460x = 143,664 × 143,664
  4. Step 4: Simplify right side
    65,460x = 20,639,344,896
  5. Step 5: Solve for x
    x = 20,639,344,896/65,460
  6. Step 6: Final answer
    x = 315,297.05

Related Problems

Find third proportional to 32,730 and 71,832
Half scale
Find third proportional to 130,920 and 287,328
Double scale
Find third proportional to 65,462 and 143,668
Similar ratio
Find third proportional to 98,190 and 215,496
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.