Home / 112,989-245,639

Finding the Third Proportional to 112,989 and 245,639

Calculator

Solution

The third proportional to 112,989 and 245,639 is: 534,021.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,989 : 245,639 = 245,639 : x
  2. Step 2: Convert to fraction form
    112,989/245,639 = 245,639/x
  3. Step 3: Cross multiply
    112,989x = 245,639 × 245,639
  4. Step 4: Simplify right side
    112,989x = 60,338,518,321
  5. Step 5: Solve for x
    x = 60,338,518,321/112,989
  6. Step 6: Final answer
    x = 534,021.17

Related Problems

Find third proportional to 56,494.50 and 122,819.50
Half scale
Find third proportional to 225,978 and 491,278
Double scale
Find third proportional to 112,991 and 245,643
Similar ratio
Find third proportional to 169,483.50 and 368,458.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.