Home / 317,734-698,438

Finding the Third Proportional to 317,734 and 698,438

Calculator

Solution

The third proportional to 317,734 and 698,438 is: 1,535,295.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,734 : 698,438 = 698,438 : x
  2. Step 2: Convert to fraction form
    317,734/698,438 = 698,438/x
  3. Step 3: Cross multiply
    317,734x = 698,438 × 698,438
  4. Step 4: Simplify right side
    317,734x = 487,815,639,844
  5. Step 5: Solve for x
    x = 487,815,639,844/317,734
  6. Step 6: Final answer
    x = 1,535,295.69

Related Problems

Find third proportional to 158,867 and 349,219
Half scale
Find third proportional to 635,468 and 1,396,876
Double scale
Find third proportional to 317,736 and 698,442
Similar ratio
Find third proportional to 476,601 and 1,047,657
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.