Home / 309,602-473,271

Finding the Third Proportional to 309,602 and 473,271

Calculator

Solution

The third proportional to 309,602 and 473,271 is: 723,462.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,602 : 473,271 = 473,271 : x
  2. Step 2: Convert to fraction form
    309,602/473,271 = 473,271/x
  3. Step 3: Cross multiply
    309,602x = 473,271 × 473,271
  4. Step 4: Simplify right side
    309,602x = 223,985,439,441
  5. Step 5: Solve for x
    x = 223,985,439,441/309,602
  6. Step 6: Final answer
    x = 723,462.51

Related Problems

Find third proportional to 154,801 and 236,635.50
Half scale
Find third proportional to 619,204 and 946,542
Double scale
Find third proportional to 309,604 and 473,274
Similar ratio
Find third proportional to 464,403 and 709,906.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.