Home / 70,428-154,203

Finding the Third Proportional to 70,428 and 154,203

Calculator

Solution

The third proportional to 70,428 and 154,203 is: 337,629.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,428 : 154,203 = 154,203 : x
  2. Step 2: Convert to fraction form
    70,428/154,203 = 154,203/x
  3. Step 3: Cross multiply
    70,428x = 154,203 × 154,203
  4. Step 4: Simplify right side
    70,428x = 23,778,565,209
  5. Step 5: Solve for x
    x = 23,778,565,209/70,428
  6. Step 6: Final answer
    x = 337,629.43

Related Problems

Find third proportional to 35,214 and 77,101.50
Half scale
Find third proportional to 140,856 and 308,406
Double scale
Find third proportional to 70,430 and 154,207
Similar ratio
Find third proportional to 105,642 and 231,304.50
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.