Home / 145,432-213,360

Finding the Third Proportional to 145,432 and 213,360

Calculator

Solution

The third proportional to 145,432 and 213,360 is: 313,015.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,432 : 213,360 = 213,360 : x
  2. Step 2: Convert to fraction form
    145,432/213,360 = 213,360/x
  3. Step 3: Cross multiply
    145,432x = 213,360 × 213,360
  4. Step 4: Simplify right side
    145,432x = 45,522,489,600
  5. Step 5: Solve for x
    x = 45,522,489,600/145,432
  6. Step 6: Final answer
    x = 313,015.63

Related Problems

Find third proportional to 72,716 and 106,680
Half scale
Find third proportional to 290,864 and 426,720
Double scale
Find third proportional to 145,434 and 213,363
Similar ratio
Find third proportional to 218,148 and 320,040
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.