Home / 30,072-64,957

Finding the Third Proportional to 30,072 and 64,957

Calculator

Solution

The third proportional to 30,072 and 64,957 is: 140,310.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072 : 64,957 = 64,957 : x
  2. Step 2: Convert to fraction form
    30,072/64,957 = 64,957/x
  3. Step 3: Cross multiply
    30,072x = 64,957 × 64,957
  4. Step 4: Simplify right side
    30,072x = 4,219,411,849
  5. Step 5: Solve for x
    x = 4,219,411,849/30,072
  6. Step 6: Final answer
    x = 140,310.32

Related Problems

Find third proportional to 15,036 and 32,478.50
Half scale
Find third proportional to 60,144 and 129,914
Double scale
Find third proportional to 30,074 and 64,961
Similar ratio
Find third proportional to 45,108 and 97,435.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.