Home / 316,672-664,064

Finding the Third Proportional to 316,672 and 664,064

Calculator

Solution

The third proportional to 316,672 and 664,064 is: 1,392,548.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,672 : 664,064 = 664,064 : x
  2. Step 2: Convert to fraction form
    316,672/664,064 = 664,064/x
  3. Step 3: Cross multiply
    316,672x = 664,064 × 664,064
  4. Step 4: Simplify right side
    316,672x = 440,980,996,096
  5. Step 5: Solve for x
    x = 440,980,996,096/316,672
  6. Step 6: Final answer
    x = 1,392,548.11

Related Problems

Find third proportional to 158,336 and 332,032
Half scale
Find third proportional to 633,344 and 1,328,128
Double scale
Find third proportional to 316,674 and 664,068
Similar ratio
Find third proportional to 475,008 and 996,096
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.