Home / 207,890-440,319

Finding the Third Proportional to 207,890 and 440,319

Calculator

Solution

The third proportional to 207,890 and 440,319 is: 932,612.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,890 : 440,319 = 440,319 : x
  2. Step 2: Convert to fraction form
    207,890/440,319 = 440,319/x
  3. Step 3: Cross multiply
    207,890x = 440,319 × 440,319
  4. Step 4: Simplify right side
    207,890x = 193,880,821,761
  5. Step 5: Solve for x
    x = 193,880,821,761/207,890
  6. Step 6: Final answer
    x = 932,612.54

Related Problems

Find third proportional to 103,945 and 220,159.50
Half scale
Find third proportional to 415,780 and 880,638
Double scale
Find third proportional to 207,892 and 440,323
Similar ratio
Find third proportional to 311,835 and 660,478.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.