Home / 56,480-121,708

Finding the Third Proportional to 56,480 and 121,708

Calculator

Solution

The third proportional to 56,480 and 121,708 is: 262,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,480 : 121,708 = 121,708 : x
  2. Step 2: Convert to fraction form
    56,480/121,708 = 121,708/x
  3. Step 3: Cross multiply
    56,480x = 121,708 × 121,708
  4. Step 4: Simplify right side
    56,480x = 14,812,837,264
  5. Step 5: Solve for x
    x = 14,812,837,264/56,480
  6. Step 6: Final answer
    x = 262,266.95

Related Problems

Find third proportional to 28,240 and 60,854
Half scale
Find third proportional to 112,960 and 243,416
Double scale
Find third proportional to 56,482 and 121,712
Similar ratio
Find third proportional to 84,720 and 182,562
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.