Home / 145,540-231,432

Finding the Third Proportional to 145,540 and 231,432

Calculator

Solution

The third proportional to 145,540 and 231,432 is: 368,014.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,540 : 231,432 = 231,432 : x
  2. Step 2: Convert to fraction form
    145,540/231,432 = 231,432/x
  3. Step 3: Cross multiply
    145,540x = 231,432 × 231,432
  4. Step 4: Simplify right side
    145,540x = 53,560,770,624
  5. Step 5: Solve for x
    x = 53,560,770,624/145,540
  6. Step 6: Final answer
    x = 368,014.09

Related Problems

Find third proportional to 72,770 and 115,716
Half scale
Find third proportional to 291,080 and 462,864
Double scale
Find third proportional to 145,542 and 231,435
Similar ratio
Find third proportional to 218,310 and 347,148
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.