Home / 318,944-500,392

Finding the Third Proportional to 318,944 and 500,392

Calculator

Solution

The third proportional to 318,944 and 500,392 is: 785,066.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,944 : 500,392 = 500,392 : x
  2. Step 2: Convert to fraction form
    318,944/500,392 = 500,392/x
  3. Step 3: Cross multiply
    318,944x = 500,392 × 500,392
  4. Step 4: Simplify right side
    318,944x = 250,392,153,664
  5. Step 5: Solve for x
    x = 250,392,153,664/318,944
  6. Step 6: Final answer
    x = 785,066.20

Related Problems

Find third proportional to 159,472 and 250,196
Half scale
Find third proportional to 637,888 and 1,000,784
Double scale
Find third proportional to 318,946 and 500,395
Similar ratio
Find third proportional to 478,416 and 750,588
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.