Home / 56,430-121,368

Finding the Third Proportional to 56,430 and 121,368

Calculator

Solution

The third proportional to 56,430 and 121,368 is: 261,034.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,430 : 121,368 = 121,368 : x
  2. Step 2: Convert to fraction form
    56,430/121,368 = 121,368/x
  3. Step 3: Cross multiply
    56,430x = 121,368 × 121,368
  4. Step 4: Simplify right side
    56,430x = 14,730,191,424
  5. Step 5: Solve for x
    x = 14,730,191,424/56,430
  6. Step 6: Final answer
    x = 261,034.76

Related Problems

Find third proportional to 28,215 and 60,684
Half scale
Find third proportional to 112,860 and 242,736
Double scale
Find third proportional to 56,432 and 121,372
Similar ratio
Find third proportional to 84,645 and 182,052
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.