Home / 631,424-1,387,264

Finding the Third Proportional to 631,424 and 1,387,264

Calculator

Solution

The third proportional to 631,424 and 1,387,264 is: 3,047,874.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,424 : 1,387,264 = 1,387,264 : x
  2. Step 2: Convert to fraction form
    631,424/1,387,264 = 1,387,264/x
  3. Step 3: Cross multiply
    631,424x = 1,387,264 × 1,387,264
  4. Step 4: Simplify right side
    631,424x = 1,924,501,405,696
  5. Step 5: Solve for x
    x = 1,924,501,405,696/631,424
  6. Step 6: Final answer
    x = 3,047,874.97

Related Problems

Find third proportional to 315,712 and 693,632
Half scale
Find third proportional to 1,262,848 and 2,774,528
Double scale
Find third proportional to 631,426 and 1,387,268
Similar ratio
Find third proportional to 947,136 and 2,080,896
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.