Home / 218,722.78-454,905

Finding the Third Proportional to 218,722.78 and 454,905

Calculator

Solution

The third proportional to 218,722.78 and 454,905 is: 946,122.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,722.78 : 454,905 = 454,905 : x
  2. Step 2: Convert to fraction form
    218,722.78/454,905 = 454,905/x
  3. Step 3: Cross multiply
    218,722.78x = 454,905 × 454,905
  4. Step 4: Simplify right side
    218,722.78x = 206,938,559,025
  5. Step 5: Solve for x
    x = 206,938,559,025/218,722.78
  6. Step 6: Final answer
    x = 946,122.57

Related Problems

Find third proportional to 109,361.39 and 227,452.50
Half scale
Find third proportional to 437,445.56 and 909,810
Double scale
Find third proportional to 218,725 and 454,909
Similar ratio
Find third proportional to 328,084.17 and 682,357.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.