Home / 354,836-769,360

Finding the Third Proportional to 354,836 and 769,360

Calculator

Solution

The third proportional to 354,836 and 769,360 is: 1,668,136.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,836 : 769,360 = 769,360 : x
  2. Step 2: Convert to fraction form
    354,836/769,360 = 769,360/x
  3. Step 3: Cross multiply
    354,836x = 769,360 × 769,360
  4. Step 4: Simplify right side
    354,836x = 591,914,809,600
  5. Step 5: Solve for x
    x = 591,914,809,600/354,836
  6. Step 6: Final answer
    x = 1,668,136.29

Related Problems

Find third proportional to 177,418 and 384,680
Half scale
Find third proportional to 709,672 and 1,538,720
Double scale
Find third proportional to 354,838 and 769,364
Similar ratio
Find third proportional to 532,254 and 1,154,040
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.