Home / 103,968-218,988

Finding the Third Proportional to 103,968 and 218,988

Calculator

Solution

The third proportional to 103,968 and 218,988 is: 461,254.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,968 : 218,988 = 218,988 : x
  2. Step 2: Convert to fraction form
    103,968/218,988 = 218,988/x
  3. Step 3: Cross multiply
    103,968x = 218,988 × 218,988
  4. Step 4: Simplify right side
    103,968x = 47,955,744,144
  5. Step 5: Solve for x
    x = 47,955,744,144/103,968
  6. Step 6: Final answer
    x = 461,254.85

Related Problems

Find third proportional to 51,984 and 109,494
Half scale
Find third proportional to 207,936 and 437,976
Double scale
Find third proportional to 103,970 and 218,992
Similar ratio
Find third proportional to 155,952 and 328,482
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.