Home / 618,712-1,310,644

Finding the Third Proportional to 618,712 and 1,310,644

Calculator

Solution

The third proportional to 618,712 and 1,310,644 is: 2,776,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,712 : 1,310,644 = 1,310,644 : x
  2. Step 2: Convert to fraction form
    618,712/1,310,644 = 1,310,644/x
  3. Step 3: Cross multiply
    618,712x = 1,310,644 × 1,310,644
  4. Step 4: Simplify right side
    618,712x = 1,717,787,694,736
  5. Step 5: Solve for x
    x = 1,717,787,694,736/618,712
  6. Step 6: Final answer
    x = 2,776,393.05

Related Problems

Find third proportional to 309,356 and 655,322
Half scale
Find third proportional to 1,237,424 and 2,621,288
Double scale
Find third proportional to 618,714 and 1,310,648
Similar ratio
Find third proportional to 928,068 and 1,965,966
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.