Home / 38,970-55,536

Finding the Third Proportional to 38,970 and 55,536

Calculator

Solution

The third proportional to 38,970 and 55,536 is: 79,144.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,970 : 55,536 = 55,536 : x
  2. Step 2: Convert to fraction form
    38,970/55,536 = 55,536/x
  3. Step 3: Cross multiply
    38,970x = 55,536 × 55,536
  4. Step 4: Simplify right side
    38,970x = 3,084,247,296
  5. Step 5: Solve for x
    x = 3,084,247,296/38,970
  6. Step 6: Final answer
    x = 79,144.14

Related Problems

Find third proportional to 19,485 and 27,768
Half scale
Find third proportional to 77,940 and 111,072
Double scale
Find third proportional to 38,972 and 55,539
Similar ratio
Find third proportional to 58,455 and 83,304
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.