Home / 15,072-34,920

Finding the Third Proportional to 15,072 and 34,920

Calculator

Solution

The third proportional to 15,072 and 34,920 is: 80,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,072 : 34,920 = 34,920 : x
  2. Step 2: Convert to fraction form
    15,072/34,920 = 34,920/x
  3. Step 3: Cross multiply
    15,072x = 34,920 × 34,920
  4. Step 4: Simplify right side
    15,072x = 1,219,406,400
  5. Step 5: Solve for x
    x = 1,219,406,400/15,072
  6. Step 6: Final answer
    x = 80,905.41

Related Problems

Find third proportional to 7,536 and 17,460
Half scale
Find third proportional to 30,144 and 69,840
Double scale
Find third proportional to 15,074 and 34,925
Similar ratio
Find third proportional to 22,608 and 52,380
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.