Home / 277,972-606,920

Finding the Third Proportional to 277,972 and 606,920

Calculator

Solution

The third proportional to 277,972 and 606,920 is: 1,325,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,972 : 606,920 = 606,920 : x
  2. Step 2: Convert to fraction form
    277,972/606,920 = 606,920/x
  3. Step 3: Cross multiply
    277,972x = 606,920 × 606,920
  4. Step 4: Simplify right side
    277,972x = 368,351,886,400
  5. Step 5: Solve for x
    x = 368,351,886,400/277,972
  6. Step 6: Final answer
    x = 1,325,140.25

Related Problems

Find third proportional to 138,986 and 303,460
Half scale
Find third proportional to 555,944 and 1,213,840
Double scale
Find third proportional to 277,974 and 606,924
Similar ratio
Find third proportional to 416,958 and 910,380
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.