Home / 145,590-320,448

Finding the Third Proportional to 145,590 and 320,448

Calculator

Solution

The third proportional to 145,590 and 320,448 is: 705,315.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,590 : 320,448 = 320,448 : x
  2. Step 2: Convert to fraction form
    145,590/320,448 = 320,448/x
  3. Step 3: Cross multiply
    145,590x = 320,448 × 320,448
  4. Step 4: Simplify right side
    145,590x = 102,686,920,704
  5. Step 5: Solve for x
    x = 102,686,920,704/145,590
  6. Step 6: Final answer
    x = 705,315.75

Related Problems

Find third proportional to 72,795 and 160,224
Half scale
Find third proportional to 291,180 and 640,896
Double scale
Find third proportional to 145,592 and 320,452
Similar ratio
Find third proportional to 218,385 and 480,672
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.