Home / 137,804-297,640

Finding the Third Proportional to 137,804 and 297,640

Calculator

Solution

The third proportional to 137,804 and 297,640 is: 642,866.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,804 : 297,640 = 297,640 : x
  2. Step 2: Convert to fraction form
    137,804/297,640 = 297,640/x
  3. Step 3: Cross multiply
    137,804x = 297,640 × 297,640
  4. Step 4: Simplify right side
    137,804x = 88,589,569,600
  5. Step 5: Solve for x
    x = 88,589,569,600/137,804
  6. Step 6: Final answer
    x = 642,866.46

Related Problems

Find third proportional to 68,902 and 148,820
Half scale
Find third proportional to 275,608 and 595,280
Double scale
Find third proportional to 137,806 and 297,644
Similar ratio
Find third proportional to 206,706 and 446,460
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.