Home / 356,516-774,508

Finding the Third Proportional to 356,516 and 774,508

Calculator

Solution

The third proportional to 356,516 and 774,508 is: 1,682,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,516 : 774,508 = 774,508 : x
  2. Step 2: Convert to fraction form
    356,516/774,508 = 774,508/x
  3. Step 3: Cross multiply
    356,516x = 774,508 × 774,508
  4. Step 4: Simplify right side
    356,516x = 599,862,642,064
  5. Step 5: Solve for x
    x = 599,862,642,064/356,516
  6. Step 6: Final answer
    x = 1,682,568.64

Related Problems

Find third proportional to 178,258 and 387,254
Half scale
Find third proportional to 713,032 and 1,549,016
Double scale
Find third proportional to 356,518 and 774,512
Similar ratio
Find third proportional to 534,774 and 1,161,762
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.