Home / 115,128-154,548

Finding the Third Proportional to 115,128 and 154,548

Calculator

Solution

The third proportional to 115,128 and 154,548 is: 207,465.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,128 : 154,548 = 154,548 : x
  2. Step 2: Convert to fraction form
    115,128/154,548 = 154,548/x
  3. Step 3: Cross multiply
    115,128x = 154,548 × 154,548
  4. Step 4: Simplify right side
    115,128x = 23,885,084,304
  5. Step 5: Solve for x
    x = 23,885,084,304/115,128
  6. Step 6: Final answer
    x = 207,465.47

Related Problems

Find third proportional to 57,564 and 77,274
Half scale
Find third proportional to 230,256 and 309,096
Double scale
Find third proportional to 115,130 and 154,551
Similar ratio
Find third proportional to 172,692 and 231,822
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.