Home / 368,390-550,310

Finding the Third Proportional to 368,390 and 550,310

Calculator

Solution

The third proportional to 368,390 and 550,310 is: 822,066.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,390 : 550,310 = 550,310 : x
  2. Step 2: Convert to fraction form
    368,390/550,310 = 550,310/x
  3. Step 3: Cross multiply
    368,390x = 550,310 × 550,310
  4. Step 4: Simplify right side
    368,390x = 302,841,096,100
  5. Step 5: Solve for x
    x = 302,841,096,100/368,390
  6. Step 6: Final answer
    x = 822,066.55

Related Problems

Find third proportional to 184,195 and 275,155
Half scale
Find third proportional to 736,780 and 1,100,620
Double scale
Find third proportional to 368,392 and 550,313
Similar ratio
Find third proportional to 552,585 and 825,465
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.