Home / 430,277-945,478

Finding the Third Proportional to 430,277 and 945,478

Calculator

Solution

The third proportional to 430,277 and 945,478 is: 2,077,565.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,277 : 945,478 = 945,478 : x
  2. Step 2: Convert to fraction form
    430,277/945,478 = 945,478/x
  3. Step 3: Cross multiply
    430,277x = 945,478 × 945,478
  4. Step 4: Simplify right side
    430,277x = 893,928,648,484
  5. Step 5: Solve for x
    x = 893,928,648,484/430,277
  6. Step 6: Final answer
    x = 2,077,565.49

Related Problems

Find third proportional to 215,138.50 and 472,739
Half scale
Find third proportional to 860,554 and 1,890,956
Double scale
Find third proportional to 430,279 and 945,482
Similar ratio
Find third proportional to 645,415.50 and 1,418,217
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.