Home / 103,615-204,804

Finding the Third Proportional to 103,615 and 204,804

Calculator

Solution

The third proportional to 103,615 and 204,804 is: 404,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,615 : 204,804 = 204,804 : x
  2. Step 2: Convert to fraction form
    103,615/204,804 = 204,804/x
  3. Step 3: Cross multiply
    103,615x = 204,804 × 204,804
  4. Step 4: Simplify right side
    103,615x = 41,944,678,416
  5. Step 5: Solve for x
    x = 41,944,678,416/103,615
  6. Step 6: Final answer
    x = 404,812.80

Related Problems

Find third proportional to 51,807.50 and 102,402
Half scale
Find third proportional to 207,230 and 409,608
Double scale
Find third proportional to 103,617 and 204,808
Similar ratio
Find third proportional to 155,422.50 and 307,206
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.