Home / 181,128-397,248

Finding the Third Proportional to 181,128 and 397,248

Calculator

Solution

The third proportional to 181,128 and 397,248 is: 871,240.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,128 : 397,248 = 397,248 : x
  2. Step 2: Convert to fraction form
    181,128/397,248 = 397,248/x
  3. Step 3: Cross multiply
    181,128x = 397,248 × 397,248
  4. Step 4: Simplify right side
    181,128x = 157,805,973,504
  5. Step 5: Solve for x
    x = 157,805,973,504/181,128
  6. Step 6: Final answer
    x = 871,240.08

Related Problems

Find third proportional to 90,564 and 198,624
Half scale
Find third proportional to 362,256 and 794,496
Double scale
Find third proportional to 181,130 and 397,252
Similar ratio
Find third proportional to 271,692 and 595,872
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.