Home / 99,910-155,283

Finding the Third Proportional to 99,910 and 155,283

Calculator

Solution

The third proportional to 99,910 and 155,283 is: 241,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,910 : 155,283 = 155,283 : x
  2. Step 2: Convert to fraction form
    99,910/155,283 = 155,283/x
  3. Step 3: Cross multiply
    99,910x = 155,283 × 155,283
  4. Step 4: Simplify right side
    99,910x = 24,112,810,089
  5. Step 5: Solve for x
    x = 24,112,810,089/99,910
  6. Step 6: Final answer
    x = 241,345.31

Related Problems

Find third proportional to 49,955 and 77,641.50
Half scale
Find third proportional to 199,820 and 310,566
Double scale
Find third proportional to 99,912 and 155,286
Similar ratio
Find third proportional to 149,865 and 232,924.50
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.