Home / 7,721,408-16,787,416

Finding the Third Proportional to 7,721,408 and 16,787,416

Calculator

Solution

The third proportional to 7,721,408 and 16,787,416 is: 36,498,179.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,408 : 16,787,416 = 16,787,416 : x
  2. Step 2: Convert to fraction form
    7,721,408/16,787,416 = 16,787,416/x
  3. Step 3: Cross multiply
    7,721,408x = 16,787,416 × 16,787,416
  4. Step 4: Simplify right side
    7,721,408x = 281,817,335,957,056
  5. Step 5: Solve for x
    x = 281,817,335,957,056/7,721,408
  6. Step 6: Final answer
    x = 36,498,179.60

Related Problems

Find third proportional to 3,860,704 and 8,393,708
Half scale
Find third proportional to 15,442,816 and 33,574,832
Double scale
Find third proportional to 7,721,410 and 16,787,420
Similar ratio
Find third proportional to 11,582,112 and 25,181,124
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.