Home / 54,380-84,702

Finding the Third Proportional to 54,380 and 84,702

Calculator

Solution

The third proportional to 54,380 and 84,702 is: 131,931.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,380 : 84,702 = 84,702 : x
  2. Step 2: Convert to fraction form
    54,380/84,702 = 84,702/x
  3. Step 3: Cross multiply
    54,380x = 84,702 × 84,702
  4. Step 4: Simplify right side
    54,380x = 7,174,428,804
  5. Step 5: Solve for x
    x = 7,174,428,804/54,380
  6. Step 6: Final answer
    x = 131,931.39

Related Problems

Find third proportional to 27,190 and 42,351
Half scale
Find third proportional to 108,760 and 169,404
Double scale
Find third proportional to 54,382 and 84,705
Similar ratio
Find third proportional to 81,570 and 127,053
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.