Home / 315,224-684,031

Finding the Third Proportional to 315,224 and 684,031

Calculator

Solution

The third proportional to 315,224 and 684,031 is: 1,484,336.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,224 : 684,031 = 684,031 : x
  2. Step 2: Convert to fraction form
    315,224/684,031 = 684,031/x
  3. Step 3: Cross multiply
    315,224x = 684,031 × 684,031
  4. Step 4: Simplify right side
    315,224x = 467,898,408,961
  5. Step 5: Solve for x
    x = 467,898,408,961/315,224
  6. Step 6: Final answer
    x = 1,484,336.25

Related Problems

Find third proportional to 157,612 and 342,015.50
Half scale
Find third proportional to 630,448 and 1,368,062
Double scale
Find third proportional to 315,226 and 684,035
Similar ratio
Find third proportional to 472,836 and 1,026,046.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.