Home / 207,970-310,565

Finding the Third Proportional to 207,970 and 310,565

Calculator

Solution

The third proportional to 207,970 and 310,565 is: 463,771.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,970 : 310,565 = 310,565 : x
  2. Step 2: Convert to fraction form
    207,970/310,565 = 310,565/x
  3. Step 3: Cross multiply
    207,970x = 310,565 × 310,565
  4. Step 4: Simplify right side
    207,970x = 96,450,619,225
  5. Step 5: Solve for x
    x = 96,450,619,225/207,970
  6. Step 6: Final answer
    x = 463,771.79

Related Problems

Find third proportional to 103,985 and 155,282.50
Half scale
Find third proportional to 415,940 and 621,130
Double scale
Find third proportional to 207,972 and 310,568
Similar ratio
Find third proportional to 311,955 and 465,847.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.