Home / 155,286-330,255

Finding the Third Proportional to 155,286 and 330,255

Calculator

Solution

The third proportional to 155,286 and 330,255 is: 702,370.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,286 : 330,255 = 330,255 : x
  2. Step 2: Convert to fraction form
    155,286/330,255 = 330,255/x
  3. Step 3: Cross multiply
    155,286x = 330,255 × 330,255
  4. Step 4: Simplify right side
    155,286x = 109,068,365,025
  5. Step 5: Solve for x
    x = 109,068,365,025/155,286
  6. Step 6: Final answer
    x = 702,370.88

Related Problems

Find third proportional to 77,643 and 165,127.50
Half scale
Find third proportional to 310,572 and 660,510
Double scale
Find third proportional to 155,288 and 330,259
Similar ratio
Find third proportional to 232,929 and 495,382.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.