Home / 150,860-312,154

Finding the Third Proportional to 150,860 and 312,154

Calculator

Solution

The third proportional to 150,860 and 312,154 is: 645,897.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,860 : 312,154 = 312,154 : x
  2. Step 2: Convert to fraction form
    150,860/312,154 = 312,154/x
  3. Step 3: Cross multiply
    150,860x = 312,154 × 312,154
  4. Step 4: Simplify right side
    150,860x = 97,440,119,716
  5. Step 5: Solve for x
    x = 97,440,119,716/150,860
  6. Step 6: Final answer
    x = 645,897.65

Related Problems

Find third proportional to 75,430 and 156,077
Half scale
Find third proportional to 301,720 and 624,308
Double scale
Find third proportional to 150,862 and 312,158
Similar ratio
Find third proportional to 226,290 and 468,231
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.