Home / 207,370-427,824

Finding the Third Proportional to 207,370 and 427,824

Calculator

Solution

The third proportional to 207,370 and 427,824 is: 882,641.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,370 : 427,824 = 427,824 : x
  2. Step 2: Convert to fraction form
    207,370/427,824 = 427,824/x
  3. Step 3: Cross multiply
    207,370x = 427,824 × 427,824
  4. Step 4: Simplify right side
    207,370x = 183,033,374,976
  5. Step 5: Solve for x
    x = 183,033,374,976/207,370
  6. Step 6: Final answer
    x = 882,641.53

Related Problems

Find third proportional to 103,685 and 213,912
Half scale
Find third proportional to 414,740 and 855,648
Double scale
Find third proportional to 207,372 and 427,828
Similar ratio
Find third proportional to 311,055 and 641,736
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.