Home / 431,684-647,526

Finding the Third Proportional to 431,684 and 647,526

Calculator

Solution

The third proportional to 431,684 and 647,526 is: 971,289

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,684 : 647,526 = 647,526 : x
  2. Step 2: Convert to fraction form
    431,684/647,526 = 647,526/x
  3. Step 3: Cross multiply
    431,684x = 647,526 × 647,526
  4. Step 4: Simplify right side
    431,684x = 419,289,920,676
  5. Step 5: Solve for x
    x = 419,289,920,676/431,684
  6. Step 6: Final answer
    x = 971,289

Related Problems

Find third proportional to 215,842 and 323,763
Half scale
Find third proportional to 863,368 and 1,295,052
Double scale
Find third proportional to 431,686 and 647,529
Similar ratio
Find third proportional to 647,526 and 971,289
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.