Home / 56,292-121,320

Finding the Third Proportional to 56,292 and 121,320

Calculator

Solution

The third proportional to 56,292 and 121,320 is: 261,467.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,292 : 121,320 = 121,320 : x
  2. Step 2: Convert to fraction form
    56,292/121,320 = 121,320/x
  3. Step 3: Cross multiply
    56,292x = 121,320 × 121,320
  4. Step 4: Simplify right side
    56,292x = 14,718,542,400
  5. Step 5: Solve for x
    x = 14,718,542,400/56,292
  6. Step 6: Final answer
    x = 261,467.75

Related Problems

Find third proportional to 28,146 and 60,660
Half scale
Find third proportional to 112,584 and 242,640
Double scale
Find third proportional to 56,294 and 121,324
Similar ratio
Find third proportional to 84,438 and 181,980
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.