Home / 178,715-372,136

Finding the Third Proportional to 178,715 and 372,136

Calculator

Solution

The third proportional to 178,715 and 372,136 is: 774,894.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,715 : 372,136 = 372,136 : x
  2. Step 2: Convert to fraction form
    178,715/372,136 = 372,136/x
  3. Step 3: Cross multiply
    178,715x = 372,136 × 372,136
  4. Step 4: Simplify right side
    178,715x = 138,485,202,496
  5. Step 5: Solve for x
    x = 138,485,202,496/178,715
  6. Step 6: Final answer
    x = 774,894.12

Related Problems

Find third proportional to 89,357.50 and 186,068
Half scale
Find third proportional to 357,430 and 744,272
Double scale
Find third proportional to 178,717 and 372,140
Similar ratio
Find third proportional to 268,072.50 and 558,204
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.