Home / 70,878-153,438

Finding the Third Proportional to 70,878 and 153,438

Calculator

Solution

The third proportional to 70,878 and 153,438 is: 332,165.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,878 : 153,438 = 153,438 : x
  2. Step 2: Convert to fraction form
    70,878/153,438 = 153,438/x
  3. Step 3: Cross multiply
    70,878x = 153,438 × 153,438
  4. Step 4: Simplify right side
    70,878x = 23,543,219,844
  5. Step 5: Solve for x
    x = 23,543,219,844/70,878
  6. Step 6: Final answer
    x = 332,165.41

Related Problems

Find third proportional to 35,439 and 76,719
Half scale
Find third proportional to 141,756 and 306,876
Double scale
Find third proportional to 70,880 and 153,442
Similar ratio
Find third proportional to 106,317 and 230,157
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.