Home / 143,277-312,798

Finding the Third Proportional to 143,277 and 312,798

Calculator

Solution

The third proportional to 143,277 and 312,798 is: 682,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,277 : 312,798 = 312,798 : x
  2. Step 2: Convert to fraction form
    143,277/312,798 = 312,798/x
  3. Step 3: Cross multiply
    143,277x = 312,798 × 312,798
  4. Step 4: Simplify right side
    143,277x = 97,842,588,804
  5. Step 5: Solve for x
    x = 97,842,588,804/143,277
  6. Step 6: Final answer
    x = 682,891.10

Related Problems

Find third proportional to 71,638.50 and 156,399
Half scale
Find third proportional to 286,554 and 625,596
Double scale
Find third proportional to 143,279 and 312,802
Similar ratio
Find third proportional to 214,915.50 and 469,197
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.