Home / 91,029-198,039

Finding the Third Proportional to 91,029 and 198,039

Calculator

Solution

The third proportional to 91,029 and 198,039 is: 430,845.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,029 : 198,039 = 198,039 : x
  2. Step 2: Convert to fraction form
    91,029/198,039 = 198,039/x
  3. Step 3: Cross multiply
    91,029x = 198,039 × 198,039
  4. Step 4: Simplify right side
    91,029x = 39,219,445,521
  5. Step 5: Solve for x
    x = 39,219,445,521/91,029
  6. Step 6: Final answer
    x = 430,845.62

Related Problems

Find third proportional to 45,514.50 and 99,019.50
Half scale
Find third proportional to 182,058 and 396,078
Double scale
Find third proportional to 91,031 and 198,043
Similar ratio
Find third proportional to 136,543.50 and 297,058.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.