Home / 288,705-629,814

Finding the Third Proportional to 288,705 and 629,814

Calculator

Solution

The third proportional to 288,705 and 629,814 is: 1,373,948.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,705 : 629,814 = 629,814 : x
  2. Step 2: Convert to fraction form
    288,705/629,814 = 629,814/x
  3. Step 3: Cross multiply
    288,705x = 629,814 × 629,814
  4. Step 4: Simplify right side
    288,705x = 396,665,674,596
  5. Step 5: Solve for x
    x = 396,665,674,596/288,705
  6. Step 6: Final answer
    x = 1,373,948.06

Related Problems

Find third proportional to 144,352.50 and 314,907
Half scale
Find third proportional to 577,410 and 1,259,628
Double scale
Find third proportional to 288,707 and 629,818
Similar ratio
Find third proportional to 433,057.50 and 944,721
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.