Home / 440,550-681,609

Finding the Third Proportional to 440,550 and 681,609

Calculator

Solution

The third proportional to 440,550 and 681,609 is: 1,054,570.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,550 : 681,609 = 681,609 : x
  2. Step 2: Convert to fraction form
    440,550/681,609 = 681,609/x
  3. Step 3: Cross multiply
    440,550x = 681,609 × 681,609
  4. Step 4: Simplify right side
    440,550x = 464,590,828,881
  5. Step 5: Solve for x
    x = 464,590,828,881/440,550
  6. Step 6: Final answer
    x = 1,054,570.03

Related Problems

Find third proportional to 220,275 and 340,804.50
Half scale
Find third proportional to 881,100 and 1,363,218
Double scale
Find third proportional to 440,552 and 681,612
Similar ratio
Find third proportional to 660,825 and 1,022,413.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.