Home / 145,712-319,968

Finding the Third Proportional to 145,712 and 319,968

Calculator

Solution

The third proportional to 145,712 and 319,968 is: 702,615.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,712 : 319,968 = 319,968 : x
  2. Step 2: Convert to fraction form
    145,712/319,968 = 319,968/x
  3. Step 3: Cross multiply
    145,712x = 319,968 × 319,968
  4. Step 4: Simplify right side
    145,712x = 102,379,521,024
  5. Step 5: Solve for x
    x = 102,379,521,024/145,712
  6. Step 6: Final answer
    x = 702,615.58

Related Problems

Find third proportional to 72,856 and 159,984
Half scale
Find third proportional to 291,424 and 639,936
Double scale
Find third proportional to 145,714 and 319,972
Similar ratio
Find third proportional to 218,568 and 479,952
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.