Home / 64,840-140,746

Finding the Third Proportional to 64,840 and 140,746

Calculator

Solution

The third proportional to 64,840 and 140,746 is: 305,512.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,840 : 140,746 = 140,746 : x
  2. Step 2: Convert to fraction form
    64,840/140,746 = 140,746/x
  3. Step 3: Cross multiply
    64,840x = 140,746 × 140,746
  4. Step 4: Simplify right side
    64,840x = 19,809,436,516
  5. Step 5: Solve for x
    x = 19,809,436,516/64,840
  6. Step 6: Final answer
    x = 305,512.59

Related Problems

Find third proportional to 32,420 and 70,373
Half scale
Find third proportional to 129,680 and 281,492
Double scale
Find third proportional to 64,842 and 140,750
Similar ratio
Find third proportional to 97,260 and 211,119
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.