Home / 316,064-480,240

Finding the Third Proportional to 316,064 and 480,240

Calculator

Solution

The third proportional to 316,064 and 480,240 is: 729,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,064 : 480,240 = 480,240 : x
  2. Step 2: Convert to fraction form
    316,064/480,240 = 480,240/x
  3. Step 3: Cross multiply
    316,064x = 480,240 × 480,240
  4. Step 4: Simplify right side
    316,064x = 230,630,457,600
  5. Step 5: Solve for x
    x = 230,630,457,600/316,064
  6. Step 6: Final answer
    x = 729,695.43

Related Problems

Find third proportional to 158,032 and 240,120
Half scale
Find third proportional to 632,128 and 960,480
Double scale
Find third proportional to 316,066 and 480,243
Similar ratio
Find third proportional to 474,096 and 720,360
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.