Home / 69,580-151,580

Finding the Third Proportional to 69,580 and 151,580

Calculator

Solution

The third proportional to 69,580 and 151,580 is: 330,216.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,580 : 151,580 = 151,580 : x
  2. Step 2: Convert to fraction form
    69,580/151,580 = 151,580/x
  3. Step 3: Cross multiply
    69,580x = 151,580 × 151,580
  4. Step 4: Simplify right side
    69,580x = 22,976,496,400
  5. Step 5: Solve for x
    x = 22,976,496,400/69,580
  6. Step 6: Final answer
    x = 330,216.96

Related Problems

Find third proportional to 34,790 and 75,790
Half scale
Find third proportional to 139,160 and 303,160
Double scale
Find third proportional to 69,582 and 151,584
Similar ratio
Find third proportional to 104,370 and 227,370
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.