Home / 354,440-777,772

Finding the Third Proportional to 354,440 and 777,772

Calculator

Solution

The third proportional to 354,440 and 777,772 is: 1,706,718.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,440 : 777,772 = 777,772 : x
  2. Step 2: Convert to fraction form
    354,440/777,772 = 777,772/x
  3. Step 3: Cross multiply
    354,440x = 777,772 × 777,772
  4. Step 4: Simplify right side
    354,440x = 604,929,283,984
  5. Step 5: Solve for x
    x = 604,929,283,984/354,440
  6. Step 6: Final answer
    x = 1,706,718.44

Related Problems

Find third proportional to 177,220 and 388,886
Half scale
Find third proportional to 708,880 and 1,555,544
Double scale
Find third proportional to 354,442 and 777,776
Similar ratio
Find third proportional to 531,660 and 1,166,658
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.