Home / 155,646-247,770

Finding the Third Proportional to 155,646 and 247,770

Calculator

Solution

The third proportional to 155,646 and 247,770 is: 394,420.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,646 : 247,770 = 247,770 : x
  2. Step 2: Convert to fraction form
    155,646/247,770 = 247,770/x
  3. Step 3: Cross multiply
    155,646x = 247,770 × 247,770
  4. Step 4: Simplify right side
    155,646x = 61,389,972,900
  5. Step 5: Solve for x
    x = 61,389,972,900/155,646
  6. Step 6: Final answer
    x = 394,420.50

Related Problems

Find third proportional to 77,823 and 123,885
Half scale
Find third proportional to 311,292 and 495,540
Double scale
Find third proportional to 155,648 and 247,773
Similar ratio
Find third proportional to 233,469 and 371,655
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.