Home / 142,036-310,797

Finding the Third Proportional to 142,036 and 310,797

Calculator

Solution

The third proportional to 142,036 and 310,797 is: 680,072.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,036 : 310,797 = 310,797 : x
  2. Step 2: Convert to fraction form
    142,036/310,797 = 310,797/x
  3. Step 3: Cross multiply
    142,036x = 310,797 × 310,797
  4. Step 4: Simplify right side
    142,036x = 96,594,775,209
  5. Step 5: Solve for x
    x = 96,594,775,209/142,036
  6. Step 6: Final answer
    x = 680,072.48

Related Problems

Find third proportional to 71,018 and 155,398.50
Half scale
Find third proportional to 284,072 and 621,594
Double scale
Find third proportional to 142,038 and 310,801
Similar ratio
Find third proportional to 213,054 and 466,195.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.