Home / 235,440-353,680

Finding the Third Proportional to 235,440 and 353,680

Calculator

Solution

The third proportional to 235,440 and 353,680 is: 531,301.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,440 : 353,680 = 353,680 : x
  2. Step 2: Convert to fraction form
    235,440/353,680 = 353,680/x
  3. Step 3: Cross multiply
    235,440x = 353,680 × 353,680
  4. Step 4: Simplify right side
    235,440x = 125,089,542,400
  5. Step 5: Solve for x
    x = 125,089,542,400/235,440
  6. Step 6: Final answer
    x = 531,301.15

Related Problems

Find third proportional to 117,720 and 176,840
Half scale
Find third proportional to 470,880 and 707,360
Double scale
Find third proportional to 235,442 and 353,683
Similar ratio
Find third proportional to 353,160 and 530,520
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.