Home / 70,438-144,117

Finding the Third Proportional to 70,438 and 144,117

Calculator

Solution

The third proportional to 70,438 and 144,117 is: 294,865.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,438 : 144,117 = 144,117 : x
  2. Step 2: Convert to fraction form
    70,438/144,117 = 144,117/x
  3. Step 3: Cross multiply
    70,438x = 144,117 × 144,117
  4. Step 4: Simplify right side
    70,438x = 20,769,709,689
  5. Step 5: Solve for x
    x = 20,769,709,689/70,438
  6. Step 6: Final answer
    x = 294,865.13

Related Problems

Find third proportional to 35,219 and 72,058.50
Half scale
Find third proportional to 140,876 and 288,234
Double scale
Find third proportional to 70,440 and 144,121
Similar ratio
Find third proportional to 105,657 and 216,175.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.