Home / 204,032-390,055

Finding the Third Proportional to 204,032 and 390,055

Calculator

Solution

The third proportional to 204,032 and 390,055 is: 745,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,032 : 390,055 = 390,055 : x
  2. Step 2: Convert to fraction form
    204,032/390,055 = 390,055/x
  3. Step 3: Cross multiply
    204,032x = 390,055 × 390,055
  4. Step 4: Simplify right side
    204,032x = 152,142,903,025
  5. Step 5: Solve for x
    x = 152,142,903,025/204,032
  6. Step 6: Final answer
    x = 745,681.57

Related Problems

Find third proportional to 102,016 and 195,027.50
Half scale
Find third proportional to 408,064 and 780,110
Double scale
Find third proportional to 204,034 and 390,059
Similar ratio
Find third proportional to 306,048 and 585,082.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.