Home / 143,107-310,817.75

Finding the Third Proportional to 143,107 and 310,817.75

Calculator

Solution

The third proportional to 143,107 and 310,817.75 is: 675,073.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,107 : 310,817.75 = 310,817.75 : x
  2. Step 2: Convert to fraction form
    143,107/310,817.75 = 310,817.75/x
  3. Step 3: Cross multiply
    143,107x = 310,817.75 × 310,817.75
  4. Step 4: Simplify right side
    143,107x = 96,607,673,715.06
  5. Step 5: Solve for x
    x = 96,607,673,715.06/143,107
  6. Step 6: Final answer
    x = 675,073.01

Related Problems

Find third proportional to 71,553.50 and 155,408.88
Half scale
Find third proportional to 286,214 and 621,635.50
Double scale
Find third proportional to 143,109 and 310,822
Similar ratio
Find third proportional to 214,660.50 and 466,226.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.