Home / 234,140-505,720

Finding the Third Proportional to 234,140 and 505,720

Calculator

Solution

The third proportional to 234,140 and 505,720 is: 1,092,306.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,140 : 505,720 = 505,720 : x
  2. Step 2: Convert to fraction form
    234,140/505,720 = 505,720/x
  3. Step 3: Cross multiply
    234,140x = 505,720 × 505,720
  4. Step 4: Simplify right side
    234,140x = 255,752,718,400
  5. Step 5: Solve for x
    x = 255,752,718,400/234,140
  6. Step 6: Final answer
    x = 1,092,306.82

Related Problems

Find third proportional to 117,070 and 252,860
Half scale
Find third proportional to 468,280 and 1,011,440
Double scale
Find third proportional to 234,142 and 505,724
Similar ratio
Find third proportional to 351,210 and 758,580
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.