Home / 70,128-153,876

Finding the Third Proportional to 70,128 and 153,876

Calculator

Solution

The third proportional to 70,128 and 153,876 is: 337,637.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,128 : 153,876 = 153,876 : x
  2. Step 2: Convert to fraction form
    70,128/153,876 = 153,876/x
  3. Step 3: Cross multiply
    70,128x = 153,876 × 153,876
  4. Step 4: Simplify right side
    70,128x = 23,677,823,376
  5. Step 5: Solve for x
    x = 23,677,823,376/70,128
  6. Step 6: Final answer
    x = 337,637.23

Related Problems

Find third proportional to 35,064 and 76,938
Half scale
Find third proportional to 140,256 and 307,752
Double scale
Find third proportional to 70,130 and 153,880
Similar ratio
Find third proportional to 105,192 and 230,814
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.