Home / 380,378-803,202

Finding the Third Proportional to 380,378 and 803,202

Calculator

Solution

The third proportional to 380,378 and 803,202 is: 1,696,032.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,378 : 803,202 = 803,202 : x
  2. Step 2: Convert to fraction form
    380,378/803,202 = 803,202/x
  3. Step 3: Cross multiply
    380,378x = 803,202 × 803,202
  4. Step 4: Simplify right side
    380,378x = 645,133,452,804
  5. Step 5: Solve for x
    x = 645,133,452,804/380,378
  6. Step 6: Final answer
    x = 1,696,032.51

Related Problems

Find third proportional to 190,189 and 401,601
Half scale
Find third proportional to 760,756 and 1,606,404
Double scale
Find third proportional to 380,380 and 803,206
Similar ratio
Find third proportional to 570,567 and 1,204,803
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.