Home / 402,818-886,622

Finding the Third Proportional to 402,818 and 886,622

Calculator

Solution

The third proportional to 402,818 and 886,622 is: 1,951,498.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,818 : 886,622 = 886,622 : x
  2. Step 2: Convert to fraction form
    402,818/886,622 = 886,622/x
  3. Step 3: Cross multiply
    402,818x = 886,622 × 886,622
  4. Step 4: Simplify right side
    402,818x = 786,098,570,884
  5. Step 5: Solve for x
    x = 786,098,570,884/402,818
  6. Step 6: Final answer
    x = 1,951,498.12

Related Problems

Find third proportional to 201,409 and 443,311
Half scale
Find third proportional to 805,636 and 1,773,244
Double scale
Find third proportional to 402,820 and 886,626
Similar ratio
Find third proportional to 604,227 and 1,329,933
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.