Home / 121,384,710-177,468,690

Finding the Third Proportional to 121,384,710 and 177,468,690

Calculator

Solution

The third proportional to 121,384,710 and 177,468,690 is: 259,465,429.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,384,710 : 177,468,690 = 177,468,690 : x
  2. Step 2: Convert to fraction form
    121,384,710/177,468,690 = 177,468,690/x
  3. Step 3: Cross multiply
    121,384,710x = 177,468,690 × 177,468,690
  4. Step 4: Simplify right side
    121,384,710x = 31,495,135,930,316,100
  5. Step 5: Solve for x
    x = 31,495,135,930,316,100/121,384,710
  6. Step 6: Final answer
    x = 259,465,429.63

Related Problems

Find third proportional to 60,692,355 and 88,734,345
Half scale
Find third proportional to 242,769,420 and 354,937,380
Double scale
Find third proportional to 121,384,712 and 177,468,693
Similar ratio
Find third proportional to 182,077,065 and 266,203,035
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.