Home / 177,813-387,580

Finding the Third Proportional to 177,813 and 387,580

Calculator

Solution

The third proportional to 177,813 and 387,580 is: 844,810.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,813 : 387,580 = 387,580 : x
  2. Step 2: Convert to fraction form
    177,813/387,580 = 387,580/x
  3. Step 3: Cross multiply
    177,813x = 387,580 × 387,580
  4. Step 4: Simplify right side
    177,813x = 150,218,256,400
  5. Step 5: Solve for x
    x = 150,218,256,400/177,813
  6. Step 6: Final answer
    x = 844,810.31

Related Problems

Find third proportional to 88,906.50 and 193,790
Half scale
Find third proportional to 355,626 and 775,160
Double scale
Find third proportional to 177,815 and 387,584
Similar ratio
Find third proportional to 266,719.50 and 581,370
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.