Home / 72,183,780-155,873,178

Finding the Third Proportional to 72,183,780 and 155,873,178

Calculator

Solution

The third proportional to 72,183,780 and 155,873,178 is: 336,591,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183,780 : 155,873,178 = 155,873,178 : x
  2. Step 2: Convert to fraction form
    72,183,780/155,873,178 = 155,873,178/x
  3. Step 3: Cross multiply
    72,183,780x = 155,873,178 × 155,873,178
  4. Step 4: Simplify right side
    72,183,780x = 24,296,447,619,819,684
  5. Step 5: Solve for x
    x = 24,296,447,619,819,684/72,183,780
  6. Step 6: Final answer
    x = 336,591,511.55

Related Problems

Find third proportional to 36,091,890 and 77,936,589
Half scale
Find third proportional to 144,367,560 and 311,746,356
Double scale
Find third proportional to 72,183,782 and 155,873,182
Similar ratio
Find third proportional to 108,275,670 and 233,809,767
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.