Home / 379,400-571,602

Finding the Third Proportional to 379,400 and 571,602

Calculator

Solution

The third proportional to 379,400 and 571,602 is: 861,172.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,400 : 571,602 = 571,602 : x
  2. Step 2: Convert to fraction form
    379,400/571,602 = 571,602/x
  3. Step 3: Cross multiply
    379,400x = 571,602 × 571,602
  4. Step 4: Simplify right side
    379,400x = 326,728,846,404
  5. Step 5: Solve for x
    x = 326,728,846,404/379,400
  6. Step 6: Final answer
    x = 861,172.50

Related Problems

Find third proportional to 189,700 and 285,801
Half scale
Find third proportional to 758,800 and 1,143,204
Double scale
Find third proportional to 379,402 and 571,605
Similar ratio
Find third proportional to 569,100 and 857,403
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.