Home / 149,640-328,357

Finding the Third Proportional to 149,640 and 328,357

Calculator

Solution

The third proportional to 149,640 and 328,357 is: 720,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,640 : 328,357 = 328,357 : x
  2. Step 2: Convert to fraction form
    149,640/328,357 = 328,357/x
  3. Step 3: Cross multiply
    149,640x = 328,357 × 328,357
  4. Step 4: Simplify right side
    149,640x = 107,818,319,449
  5. Step 5: Solve for x
    x = 107,818,319,449/149,640
  6. Step 6: Final answer
    x = 720,518.04

Related Problems

Find third proportional to 74,820 and 164,178.50
Half scale
Find third proportional to 299,280 and 656,714
Double scale
Find third proportional to 149,642 and 328,361
Similar ratio
Find third proportional to 224,460 and 492,535.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.