Home / 139,752-197,559

Finding the Third Proportional to 139,752 and 197,559

Calculator

Solution

The third proportional to 139,752 and 197,559 is: 279,277.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,752 : 197,559 = 197,559 : x
  2. Step 2: Convert to fraction form
    139,752/197,559 = 197,559/x
  3. Step 3: Cross multiply
    139,752x = 197,559 × 197,559
  4. Step 4: Simplify right side
    139,752x = 39,029,558,481
  5. Step 5: Solve for x
    x = 39,029,558,481/139,752
  6. Step 6: Final answer
    x = 279,277.28

Related Problems

Find third proportional to 69,876 and 98,779.50
Half scale
Find third proportional to 279,504 and 395,118
Double scale
Find third proportional to 139,754 and 197,562
Similar ratio
Find third proportional to 209,628 and 296,338.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.