Home / 102,990-155,937.75

Finding the Third Proportional to 102,990 and 155,937.75

Calculator

Solution

The third proportional to 102,990 and 155,937.75 is: 236,106.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,990 : 155,937.75 = 155,937.75 : x
  2. Step 2: Convert to fraction form
    102,990/155,937.75 = 155,937.75/x
  3. Step 3: Cross multiply
    102,990x = 155,937.75 × 155,937.75
  4. Step 4: Simplify right side
    102,990x = 24,316,581,875.06
  5. Step 5: Solve for x
    x = 24,316,581,875.06/102,990
  6. Step 6: Final answer
    x = 236,106.24

Related Problems

Find third proportional to 51,495 and 77,968.88
Half scale
Find third proportional to 205,980 and 311,875.50
Double scale
Find third proportional to 102,992 and 155,941
Similar ratio
Find third proportional to 154,485 and 233,906.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.