Home / 145,158-311,052

Finding the Third Proportional to 145,158 and 311,052

Calculator

Solution

The third proportional to 145,158 and 311,052 is: 666,538.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,158 : 311,052 = 311,052 : x
  2. Step 2: Convert to fraction form
    145,158/311,052 = 311,052/x
  3. Step 3: Cross multiply
    145,158x = 311,052 × 311,052
  4. Step 4: Simplify right side
    145,158x = 96,753,346,704
  5. Step 5: Solve for x
    x = 96,753,346,704/145,158
  6. Step 6: Final answer
    x = 666,538.16

Related Problems

Find third proportional to 72,579 and 155,526
Half scale
Find third proportional to 290,316 and 622,104
Double scale
Find third proportional to 145,160 and 311,056
Similar ratio
Find third proportional to 217,737 and 466,578
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.