Home / 121,752-264,240

Finding the Third Proportional to 121,752 and 264,240

Calculator

Solution

The third proportional to 121,752 and 264,240 is: 573,483.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,752 : 264,240 = 264,240 : x
  2. Step 2: Convert to fraction form
    121,752/264,240 = 264,240/x
  3. Step 3: Cross multiply
    121,752x = 264,240 × 264,240
  4. Step 4: Simplify right side
    121,752x = 69,822,777,600
  5. Step 5: Solve for x
    x = 69,822,777,600/121,752
  6. Step 6: Final answer
    x = 573,483.62

Related Problems

Find third proportional to 60,876 and 132,120
Half scale
Find third proportional to 243,504 and 528,480
Double scale
Find third proportional to 121,754 and 264,244
Similar ratio
Find third proportional to 182,628 and 396,360
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.