Home / 68,140-103,440

Finding the Third Proportional to 68,140 and 103,440

Calculator

Solution

The third proportional to 68,140 and 103,440 is: 157,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,140 : 103,440 = 103,440 : x
  2. Step 2: Convert to fraction form
    68,140/103,440 = 103,440/x
  3. Step 3: Cross multiply
    68,140x = 103,440 × 103,440
  4. Step 4: Simplify right side
    68,140x = 10,699,833,600
  5. Step 5: Solve for x
    x = 10,699,833,600/68,140
  6. Step 6: Final answer
    x = 157,027.20

Related Problems

Find third proportional to 34,070 and 51,720
Half scale
Find third proportional to 136,280 and 206,880
Double scale
Find third proportional to 68,142 and 103,443
Similar ratio
Find third proportional to 102,210 and 155,160
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.