Home / 127,717-277,540

Finding the Third Proportional to 127,717 and 277,540

Calculator

Solution

The third proportional to 127,717 and 277,540 is: 603,118.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,717 : 277,540 = 277,540 : x
  2. Step 2: Convert to fraction form
    127,717/277,540 = 277,540/x
  3. Step 3: Cross multiply
    127,717x = 277,540 × 277,540
  4. Step 4: Simplify right side
    127,717x = 77,028,451,600
  5. Step 5: Solve for x
    x = 77,028,451,600/127,717
  6. Step 6: Final answer
    x = 603,118.23

Related Problems

Find third proportional to 63,858.50 and 138,770
Half scale
Find third proportional to 255,434 and 555,080
Double scale
Find third proportional to 127,719 and 277,544
Similar ratio
Find third proportional to 191,575.50 and 416,310
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.