Home / 102,915-154,620

Finding the Third Proportional to 102,915 and 154,620

Calculator

Solution

The third proportional to 102,915 and 154,620 is: 232,301.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,915 : 154,620 = 154,620 : x
  2. Step 2: Convert to fraction form
    102,915/154,620 = 154,620/x
  3. Step 3: Cross multiply
    102,915x = 154,620 × 154,620
  4. Step 4: Simplify right side
    102,915x = 23,907,344,400
  5. Step 5: Solve for x
    x = 23,907,344,400/102,915
  6. Step 6: Final answer
    x = 232,301.85

Related Problems

Find third proportional to 51,457.50 and 77,310
Half scale
Find third proportional to 205,830 and 309,240
Double scale
Find third proportional to 102,917 and 154,623
Similar ratio
Find third proportional to 154,372.50 and 231,930
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.