Home / 99,760-145,918

Finding the Third Proportional to 99,760 and 145,918

Calculator

Solution

The third proportional to 99,760 and 145,918 is: 213,432.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,760 : 145,918 = 145,918 : x
  2. Step 2: Convert to fraction form
    99,760/145,918 = 145,918/x
  3. Step 3: Cross multiply
    99,760x = 145,918 × 145,918
  4. Step 4: Simplify right side
    99,760x = 21,292,062,724
  5. Step 5: Solve for x
    x = 21,292,062,724/99,760
  6. Step 6: Final answer
    x = 213,432.87

Related Problems

Find third proportional to 49,880 and 72,959
Half scale
Find third proportional to 199,520 and 291,836
Double scale
Find third proportional to 99,762 and 145,921
Similar ratio
Find third proportional to 149,640 and 218,877
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.