Home / 56,320-122,480

Finding the Third Proportional to 56,320 and 122,480

Calculator

Solution

The third proportional to 56,320 and 122,480 is: 266,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,320 : 122,480 = 122,480 : x
  2. Step 2: Convert to fraction form
    56,320/122,480 = 122,480/x
  3. Step 3: Cross multiply
    56,320x = 122,480 × 122,480
  4. Step 4: Simplify right side
    56,320x = 15,001,350,400
  5. Step 5: Solve for x
    x = 15,001,350,400/56,320
  6. Step 6: Final answer
    x = 266,359.20

Related Problems

Find third proportional to 28,160 and 61,240
Half scale
Find third proportional to 112,640 and 244,960
Double scale
Find third proportional to 56,322 and 122,484
Similar ratio
Find third proportional to 84,480 and 183,720
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.