Home / 350,328-770,640

Finding the Third Proportional to 350,328 and 770,640

Calculator

Solution

The third proportional to 350,328 and 770,640 is: 1,695,228.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,328 : 770,640 = 770,640 : x
  2. Step 2: Convert to fraction form
    350,328/770,640 = 770,640/x
  3. Step 3: Cross multiply
    350,328x = 770,640 × 770,640
  4. Step 4: Simplify right side
    350,328x = 593,886,009,600
  5. Step 5: Solve for x
    x = 593,886,009,600/350,328
  6. Step 6: Final answer
    x = 1,695,228.50

Related Problems

Find third proportional to 175,164 and 385,320
Half scale
Find third proportional to 700,656 and 1,541,280
Double scale
Find third proportional to 350,330 and 770,644
Similar ratio
Find third proportional to 525,492 and 1,155,960
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.