Home / 55,366,904-121,155,820

Finding the Third Proportional to 55,366,904 and 121,155,820

Calculator

Solution

The third proportional to 55,366,904 and 121,155,820 is: 265,117,455.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,366,904 : 121,155,820 = 121,155,820 : x
  2. Step 2: Convert to fraction form
    55,366,904/121,155,820 = 121,155,820/x
  3. Step 3: Cross multiply
    55,366,904x = 121,155,820 × 121,155,820
  4. Step 4: Simplify right side
    55,366,904x = 14,678,732,719,872,400
  5. Step 5: Solve for x
    x = 14,678,732,719,872,400/55,366,904
  6. Step 6: Final answer
    x = 265,117,455.73

Related Problems

Find third proportional to 27,683,452 and 60,577,910
Half scale
Find third proportional to 110,733,808 and 242,311,640
Double scale
Find third proportional to 55,366,906 and 121,155,824
Similar ratio
Find third proportional to 83,050,356 and 181,733,730
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.