Home / 310,412-665,098

Finding the Third Proportional to 310,412 and 665,098

Calculator

Solution

The third proportional to 310,412 and 665,098 is: 1,425,058.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,412 : 665,098 = 665,098 : x
  2. Step 2: Convert to fraction form
    310,412/665,098 = 665,098/x
  3. Step 3: Cross multiply
    310,412x = 665,098 × 665,098
  4. Step 4: Simplify right side
    310,412x = 442,355,349,604
  5. Step 5: Solve for x
    x = 442,355,349,604/310,412
  6. Step 6: Final answer
    x = 1,425,058.79

Related Problems

Find third proportional to 155,206 and 332,549
Half scale
Find third proportional to 620,824 and 1,330,196
Double scale
Find third proportional to 310,414 and 665,102
Similar ratio
Find third proportional to 465,618 and 997,647
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.