Home / 315,580-681,704

Finding the Third Proportional to 315,580 and 681,704

Calculator

Solution

The third proportional to 315,580 and 681,704 is: 1,472,591.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,580 : 681,704 = 681,704 : x
  2. Step 2: Convert to fraction form
    315,580/681,704 = 681,704/x
  3. Step 3: Cross multiply
    315,580x = 681,704 × 681,704
  4. Step 4: Simplify right side
    315,580x = 464,720,343,616
  5. Step 5: Solve for x
    x = 464,720,343,616/315,580
  6. Step 6: Final answer
    x = 1,472,591.24

Related Problems

Find third proportional to 157,790 and 340,852
Half scale
Find third proportional to 631,160 and 1,363,408
Double scale
Find third proportional to 315,582 and 681,708
Similar ratio
Find third proportional to 473,370 and 1,022,556
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.