Home / 618,408-901,368

Finding the Third Proportional to 618,408 and 901,368

Calculator

Solution

The third proportional to 618,408 and 901,368 is: 1,313,799.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,408 : 901,368 = 901,368 : x
  2. Step 2: Convert to fraction form
    618,408/901,368 = 901,368/x
  3. Step 3: Cross multiply
    618,408x = 901,368 × 901,368
  4. Step 4: Simplify right side
    618,408x = 812,464,271,424
  5. Step 5: Solve for x
    x = 812,464,271,424/618,408
  6. Step 6: Final answer
    x = 1,313,799.74

Related Problems

Find third proportional to 309,204 and 450,684
Half scale
Find third proportional to 1,236,816 and 1,802,736
Double scale
Find third proportional to 618,410 and 901,371
Similar ratio
Find third proportional to 927,612 and 1,352,052
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.