Home / 143,508-312,850.50

Finding the Third Proportional to 143,508 and 312,850.50

Calculator

Solution

The third proportional to 143,508 and 312,850.50 is: 682,020.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,508 : 312,850.50 = 312,850.50 : x
  2. Step 2: Convert to fraction form
    143,508/312,850.50 = 312,850.50/x
  3. Step 3: Cross multiply
    143,508x = 312,850.50 × 312,850.50
  4. Step 4: Simplify right side
    143,508x = 97,875,435,350.25
  5. Step 5: Solve for x
    x = 97,875,435,350.25/143,508
  6. Step 6: Final answer
    x = 682,020.76

Related Problems

Find third proportional to 71,754 and 156,425.25
Half scale
Find third proportional to 287,016 and 625,701
Double scale
Find third proportional to 143,510 and 312,855
Similar ratio
Find third proportional to 215,262 and 469,275.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.