Home / 133,712-278,632

Finding the Third Proportional to 133,712 and 278,632

Calculator

Solution

The third proportional to 133,712 and 278,632 is: 580,619.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,712 : 278,632 = 278,632 : x
  2. Step 2: Convert to fraction form
    133,712/278,632 = 278,632/x
  3. Step 3: Cross multiply
    133,712x = 278,632 × 278,632
  4. Step 4: Simplify right side
    133,712x = 77,635,791,424
  5. Step 5: Solve for x
    x = 77,635,791,424/133,712
  6. Step 6: Final answer
    x = 580,619.48

Related Problems

Find third proportional to 66,856 and 139,316
Half scale
Find third proportional to 267,424 and 557,264
Double scale
Find third proportional to 133,714 and 278,636
Similar ratio
Find third proportional to 200,568 and 417,948
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.