Home / 374,330-811,712

Finding the Third Proportional to 374,330 and 811,712

Calculator

Solution

The third proportional to 374,330 and 811,712 is: 1,760,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,330 : 811,712 = 811,712 : x
  2. Step 2: Convert to fraction form
    374,330/811,712 = 811,712/x
  3. Step 3: Cross multiply
    374,330x = 811,712 × 811,712
  4. Step 4: Simplify right side
    374,330x = 658,876,370,944
  5. Step 5: Solve for x
    x = 658,876,370,944/374,330
  6. Step 6: Final answer
    x = 1,760,148.45

Related Problems

Find third proportional to 187,165 and 405,856
Half scale
Find third proportional to 748,660 and 1,623,424
Double scale
Find third proportional to 374,332 and 811,716
Similar ratio
Find third proportional to 561,495 and 1,217,568
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.