Home / 127,538-278,039

Finding the Third Proportional to 127,538 and 278,039

Calculator

Solution

The third proportional to 127,538 and 278,039 is: 606,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,538 : 278,039 = 278,039 : x
  2. Step 2: Convert to fraction form
    127,538/278,039 = 278,039/x
  3. Step 3: Cross multiply
    127,538x = 278,039 × 278,039
  4. Step 4: Simplify right side
    127,538x = 77,305,685,521
  5. Step 5: Solve for x
    x = 77,305,685,521/127,538
  6. Step 6: Final answer
    x = 606,138.45

Related Problems

Find third proportional to 63,769 and 139,019.50
Half scale
Find third proportional to 255,076 and 556,078
Double scale
Find third proportional to 127,540 and 278,043
Similar ratio
Find third proportional to 191,307 and 417,058.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.