Home / 317,598-697,410

Finding the Third Proportional to 317,598 and 697,410

Calculator

Solution

The third proportional to 317,598 and 697,410 is: 1,531,435.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,598 : 697,410 = 697,410 : x
  2. Step 2: Convert to fraction form
    317,598/697,410 = 697,410/x
  3. Step 3: Cross multiply
    317,598x = 697,410 × 697,410
  4. Step 4: Simplify right side
    317,598x = 486,380,708,100
  5. Step 5: Solve for x
    x = 486,380,708,100/317,598
  6. Step 6: Final answer
    x = 1,531,435.05

Related Problems

Find third proportional to 158,799 and 348,705
Half scale
Find third proportional to 635,196 and 1,394,820
Double scale
Find third proportional to 317,600 and 697,414
Similar ratio
Find third proportional to 476,397 and 1,046,115
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.