Home / 74,078-105,855

Finding the Third Proportional to 74,078 and 105,855

Calculator

Solution

The third proportional to 74,078 and 105,855 is: 151,263.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,078 : 105,855 = 105,855 : x
  2. Step 2: Convert to fraction form
    74,078/105,855 = 105,855/x
  3. Step 3: Cross multiply
    74,078x = 105,855 × 105,855
  4. Step 4: Simplify right side
    74,078x = 11,205,281,025
  5. Step 5: Solve for x
    x = 11,205,281,025/74,078
  6. Step 6: Final answer
    x = 151,263.28

Related Problems

Find third proportional to 37,039 and 52,927.50
Half scale
Find third proportional to 148,156 and 211,710
Double scale
Find third proportional to 74,080 and 105,858
Similar ratio
Find third proportional to 111,117 and 158,782.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.