Home / 55,851-121,738

Finding the Third Proportional to 55,851 and 121,738

Calculator

Solution

The third proportional to 55,851 and 121,738 is: 265,351.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,851 : 121,738 = 121,738 : x
  2. Step 2: Convert to fraction form
    55,851/121,738 = 121,738/x
  3. Step 3: Cross multiply
    55,851x = 121,738 × 121,738
  4. Step 4: Simplify right side
    55,851x = 14,820,140,644
  5. Step 5: Solve for x
    x = 14,820,140,644/55,851
  6. Step 6: Final answer
    x = 265,351.39

Related Problems

Find third proportional to 27,925.50 and 60,869
Half scale
Find third proportional to 111,702 and 243,476
Double scale
Find third proportional to 55,853 and 121,742
Similar ratio
Find third proportional to 83,776.50 and 182,607
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.