Home / 127,777-277,856

Finding the Third Proportional to 127,777 and 277,856

Calculator

Solution

The third proportional to 127,777 and 277,856 is: 604,208.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,777 : 277,856 = 277,856 : x
  2. Step 2: Convert to fraction form
    127,777/277,856 = 277,856/x
  3. Step 3: Cross multiply
    127,777x = 277,856 × 277,856
  4. Step 4: Simplify right side
    127,777x = 77,203,956,736
  5. Step 5: Solve for x
    x = 77,203,956,736/127,777
  6. Step 6: Final answer
    x = 604,208.56

Related Problems

Find third proportional to 63,888.50 and 138,928
Half scale
Find third proportional to 255,554 and 555,712
Double scale
Find third proportional to 127,779 and 277,860
Similar ratio
Find third proportional to 191,665.50 and 416,784
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.