Home / 99,908-209,052

Finding the Third Proportional to 99,908 and 209,052

Calculator

Solution

The third proportional to 99,908 and 209,052 is: 437,429.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,908 : 209,052 = 209,052 : x
  2. Step 2: Convert to fraction form
    99,908/209,052 = 209,052/x
  3. Step 3: Cross multiply
    99,908x = 209,052 × 209,052
  4. Step 4: Simplify right side
    99,908x = 43,702,738,704
  5. Step 5: Solve for x
    x = 43,702,738,704/99,908
  6. Step 6: Final answer
    x = 437,429.82

Related Problems

Find third proportional to 49,954 and 104,526
Half scale
Find third proportional to 199,816 and 418,104
Double scale
Find third proportional to 99,910 and 209,056
Similar ratio
Find third proportional to 149,862 and 313,578
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.