Home / 197,430-288,741

Finding the Third Proportional to 197,430 and 288,741

Calculator

Solution

The third proportional to 197,430 and 288,741 is: 422,283.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,430 : 288,741 = 288,741 : x
  2. Step 2: Convert to fraction form
    197,430/288,741 = 288,741/x
  3. Step 3: Cross multiply
    197,430x = 288,741 × 288,741
  4. Step 4: Simplify right side
    197,430x = 83,371,365,081
  5. Step 5: Solve for x
    x = 83,371,365,081/197,430
  6. Step 6: Final answer
    x = 422,283.16

Related Problems

Find third proportional to 98,715 and 144,370.50
Half scale
Find third proportional to 394,860 and 577,482
Double scale
Find third proportional to 197,432 and 288,744
Similar ratio
Find third proportional to 296,145 and 433,111.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.