Home / 442,270-662,710

Finding the Third Proportional to 442,270 and 662,710

Calculator

Solution

The third proportional to 442,270 and 662,710 is: 993,023.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,270 : 662,710 = 662,710 : x
  2. Step 2: Convert to fraction form
    442,270/662,710 = 662,710/x
  3. Step 3: Cross multiply
    442,270x = 662,710 × 662,710
  4. Step 4: Simplify right side
    442,270x = 439,184,544,100
  5. Step 5: Solve for x
    x = 439,184,544,100/442,270
  6. Step 6: Final answer
    x = 993,023.59

Related Problems

Find third proportional to 221,135 and 331,355
Half scale
Find third proportional to 884,540 and 1,325,420
Double scale
Find third proportional to 442,272 and 662,713
Similar ratio
Find third proportional to 663,405 and 994,065
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.