Home / 137,448-210,260

Finding the Third Proportional to 137,448 and 210,260

Calculator

Solution

The third proportional to 137,448 and 210,260 is: 321,643.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,448 : 210,260 = 210,260 : x
  2. Step 2: Convert to fraction form
    137,448/210,260 = 210,260/x
  3. Step 3: Cross multiply
    137,448x = 210,260 × 210,260
  4. Step 4: Simplify right side
    137,448x = 44,209,267,600
  5. Step 5: Solve for x
    x = 44,209,267,600/137,448
  6. Step 6: Final answer
    x = 321,643.59

Related Problems

Find third proportional to 68,724 and 105,130
Half scale
Find third proportional to 274,896 and 420,520
Double scale
Find third proportional to 137,450 and 210,263
Similar ratio
Find third proportional to 206,172 and 315,390
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.