Home / 146,776-320,240

Finding the Third Proportional to 146,776 and 320,240

Calculator

Solution

The third proportional to 146,776 and 320,240 is: 698,708.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,776 : 320,240 = 320,240 : x
  2. Step 2: Convert to fraction form
    146,776/320,240 = 320,240/x
  3. Step 3: Cross multiply
    146,776x = 320,240 × 320,240
  4. Step 4: Simplify right side
    146,776x = 102,553,657,600
  5. Step 5: Solve for x
    x = 102,553,657,600/146,776
  6. Step 6: Final answer
    x = 698,708.63

Related Problems

Find third proportional to 73,388 and 160,120
Half scale
Find third proportional to 293,552 and 640,480
Double scale
Find third proportional to 146,778 and 320,244
Similar ratio
Find third proportional to 220,164 and 480,360
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.