Home / 127,790-277,888

Finding the Third Proportional to 127,790 and 277,888

Calculator

Solution

The third proportional to 127,790 and 277,888 is: 604,286.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,790 : 277,888 = 277,888 : x
  2. Step 2: Convert to fraction form
    127,790/277,888 = 277,888/x
  3. Step 3: Cross multiply
    127,790x = 277,888 × 277,888
  4. Step 4: Simplify right side
    127,790x = 77,221,740,544
  5. Step 5: Solve for x
    x = 77,221,740,544/127,790
  6. Step 6: Final answer
    x = 604,286.26

Related Problems

Find third proportional to 63,895 and 138,944
Half scale
Find third proportional to 255,580 and 555,776
Double scale
Find third proportional to 127,792 and 277,892
Similar ratio
Find third proportional to 191,685 and 416,832
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.