Home / 100,140-133,765.50

Finding the Third Proportional to 100,140 and 133,765.50

Calculator

Solution

The third proportional to 100,140 and 133,765.50 is: 178,681.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,140 : 133,765.50 = 133,765.50 : x
  2. Step 2: Convert to fraction form
    100,140/133,765.50 = 133,765.50/x
  3. Step 3: Cross multiply
    100,140x = 133,765.50 × 133,765.50
  4. Step 4: Simplify right side
    100,140x = 17,893,208,990.25
  5. Step 5: Solve for x
    x = 17,893,208,990.25/100,140
  6. Step 6: Final answer
    x = 178,681.94

Related Problems

Find third proportional to 50,070 and 66,882.75
Half scale
Find third proportional to 200,280 and 267,531
Double scale
Find third proportional to 100,142 and 133,768
Similar ratio
Find third proportional to 150,210 and 200,648.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.