Home / 153,320-211,125

Finding the Third Proportional to 153,320 and 211,125

Calculator

Solution

The third proportional to 153,320 and 211,125 is: 290,723.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,320 : 211,125 = 211,125 : x
  2. Step 2: Convert to fraction form
    153,320/211,125 = 211,125/x
  3. Step 3: Cross multiply
    153,320x = 211,125 × 211,125
  4. Step 4: Simplify right side
    153,320x = 44,573,765,625
  5. Step 5: Solve for x
    x = 44,573,765,625/153,320
  6. Step 6: Final answer
    x = 290,723.75

Related Problems

Find third proportional to 76,660 and 105,562.50
Half scale
Find third proportional to 306,640 and 422,250
Double scale
Find third proportional to 153,322 and 211,128
Similar ratio
Find third proportional to 229,980 and 316,687.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.