Home / 99,126-209,772

Finding the Third Proportional to 99,126 and 209,772

Calculator

Solution

The third proportional to 99,126 and 209,772 is: 443,922.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,126 : 209,772 = 209,772 : x
  2. Step 2: Convert to fraction form
    99,126/209,772 = 209,772/x
  3. Step 3: Cross multiply
    99,126x = 209,772 × 209,772
  4. Step 4: Simplify right side
    99,126x = 44,004,291,984
  5. Step 5: Solve for x
    x = 44,004,291,984/99,126
  6. Step 6: Final answer
    x = 443,922.81

Related Problems

Find third proportional to 49,563 and 104,886
Half scale
Find third proportional to 198,252 and 419,544
Double scale
Find third proportional to 99,128 and 209,776
Similar ratio
Find third proportional to 148,689 and 314,658
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.