Home / 207,480-320,433

Finding the Third Proportional to 207,480 and 320,433

Calculator

Solution

The third proportional to 207,480 and 320,433 is: 494,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,480 : 320,433 = 320,433 : x
  2. Step 2: Convert to fraction form
    207,480/320,433 = 320,433/x
  3. Step 3: Cross multiply
    207,480x = 320,433 × 320,433
  4. Step 4: Simplify right side
    207,480x = 102,677,307,489
  5. Step 5: Solve for x
    x = 102,677,307,489/207,480
  6. Step 6: Final answer
    x = 494,878.10

Related Problems

Find third proportional to 103,740 and 160,216.50
Half scale
Find third proportional to 414,960 and 640,866
Double scale
Find third proportional to 207,482 and 320,436
Similar ratio
Find third proportional to 311,220 and 480,649.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.