Home / 100,415,880-155,168,109

Finding the Third Proportional to 100,415,880 and 155,168,109

Calculator

Solution

The third proportional to 100,415,880 and 155,168,109 is: 239,774,247.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,415,880 : 155,168,109 = 155,168,109 : x
  2. Step 2: Convert to fraction form
    100,415,880/155,168,109 = 155,168,109/x
  3. Step 3: Cross multiply
    100,415,880x = 155,168,109 × 155,168,109
  4. Step 4: Simplify right side
    100,415,880x = 24,077,142,050,635,880
  5. Step 5: Solve for x
    x = 24,077,142,050,635,880/100,415,880
  6. Step 6: Final answer
    x = 239,774,247.37

Related Problems

Find third proportional to 50,207,940 and 77,584,054.50
Half scale
Find third proportional to 200,831,760 and 310,336,218
Double scale
Find third proportional to 100,415,882 and 155,168,112
Similar ratio
Find third proportional to 150,623,820 and 232,752,163.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.