Home / 407,271-877,722

Finding the Third Proportional to 407,271 and 877,722

Calculator

Solution

The third proportional to 407,271 and 877,722 is: 1,891,605.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,271 : 877,722 = 877,722 : x
  2. Step 2: Convert to fraction form
    407,271/877,722 = 877,722/x
  3. Step 3: Cross multiply
    407,271x = 877,722 × 877,722
  4. Step 4: Simplify right side
    407,271x = 770,395,909,284
  5. Step 5: Solve for x
    x = 770,395,909,284/407,271
  6. Step 6: Final answer
    x = 1,891,605.12

Related Problems

Find third proportional to 203,635.50 and 438,861
Half scale
Find third proportional to 814,542 and 1,755,444
Double scale
Find third proportional to 407,273 and 877,726
Similar ratio
Find third proportional to 610,906.50 and 1,316,583
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.