Home / 85,488-197,891

Finding the Third Proportional to 85,488 and 197,891

Calculator

Solution

The third proportional to 85,488 and 197,891 is: 458,085.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,488 : 197,891 = 197,891 : x
  2. Step 2: Convert to fraction form
    85,488/197,891 = 197,891/x
  3. Step 3: Cross multiply
    85,488x = 197,891 × 197,891
  4. Step 4: Simplify right side
    85,488x = 39,160,847,881
  5. Step 5: Solve for x
    x = 39,160,847,881/85,488
  6. Step 6: Final answer
    x = 458,085.91

Related Problems

Find third proportional to 42,744 and 98,945.50
Half scale
Find third proportional to 170,976 and 395,782
Double scale
Find third proportional to 85,490 and 197,896
Similar ratio
Find third proportional to 128,232 and 296,836.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.