Home / 156,739-348,470

Finding the Third Proportional to 156,739 and 348,470

Calculator

Solution

The third proportional to 156,739 and 348,470 is: 774,735.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,739 : 348,470 = 348,470 : x
  2. Step 2: Convert to fraction form
    156,739/348,470 = 348,470/x
  3. Step 3: Cross multiply
    156,739x = 348,470 × 348,470
  4. Step 4: Simplify right side
    156,739x = 121,431,340,900
  5. Step 5: Solve for x
    x = 121,431,340,900/156,739
  6. Step 6: Final answer
    x = 774,735.97

Related Problems

Find third proportional to 78,369.50 and 174,235
Half scale
Find third proportional to 313,478 and 696,940
Double scale
Find third proportional to 156,741 and 348,474
Similar ratio
Find third proportional to 235,108.50 and 522,705
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.