Home / 144,072-310,338

Finding the Third Proportional to 144,072 and 310,338

Calculator

Solution

The third proportional to 144,072 and 310,338 is: 668,482.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,072 : 310,338 = 310,338 : x
  2. Step 2: Convert to fraction form
    144,072/310,338 = 310,338/x
  3. Step 3: Cross multiply
    144,072x = 310,338 × 310,338
  4. Step 4: Simplify right side
    144,072x = 96,309,674,244
  5. Step 5: Solve for x
    x = 96,309,674,244/144,072
  6. Step 6: Final answer
    x = 668,482.94

Related Problems

Find third proportional to 72,036 and 155,169
Half scale
Find third proportional to 288,144 and 620,676
Double scale
Find third proportional to 144,074 and 310,342
Similar ratio
Find third proportional to 216,108 and 465,507
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.