Home / 292,640-628,942

Finding the Third Proportional to 292,640 and 628,942

Calculator

Solution

The third proportional to 292,640 and 628,942 is: 1,351,722.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,640 : 628,942 = 628,942 : x
  2. Step 2: Convert to fraction form
    292,640/628,942 = 628,942/x
  3. Step 3: Cross multiply
    292,640x = 628,942 × 628,942
  4. Step 4: Simplify right side
    292,640x = 395,568,039,364
  5. Step 5: Solve for x
    x = 395,568,039,364/292,640
  6. Step 6: Final answer
    x = 1,351,722.39

Related Problems

Find third proportional to 146,320 and 314,471
Half scale
Find third proportional to 585,280 and 1,257,884
Double scale
Find third proportional to 292,642 and 628,946
Similar ratio
Find third proportional to 438,960 and 943,413
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.