Home / 152,984-220,340

Finding the Third Proportional to 152,984 and 220,340

Calculator

Solution

The third proportional to 152,984 and 220,340 is: 317,351.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,984 : 220,340 = 220,340 : x
  2. Step 2: Convert to fraction form
    152,984/220,340 = 220,340/x
  3. Step 3: Cross multiply
    152,984x = 220,340 × 220,340
  4. Step 4: Simplify right side
    152,984x = 48,549,715,600
  5. Step 5: Solve for x
    x = 48,549,715,600/152,984
  6. Step 6: Final answer
    x = 317,351.59

Related Problems

Find third proportional to 76,492 and 110,170
Half scale
Find third proportional to 305,968 and 440,680
Double scale
Find third proportional to 152,986 and 220,343
Similar ratio
Find third proportional to 229,476 and 330,510
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.