Home / 172,143-267,205.50

Finding the Third Proportional to 172,143 and 267,205.50

Calculator

Solution

The third proportional to 172,143 and 267,205.50 is: 414,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,143 : 267,205.50 = 267,205.50 : x
  2. Step 2: Convert to fraction form
    172,143/267,205.50 = 267,205.50/x
  3. Step 3: Cross multiply
    172,143x = 267,205.50 × 267,205.50
  4. Step 4: Simplify right side
    172,143x = 71,398,779,230.25
  5. Step 5: Solve for x
    x = 71,398,779,230.25/172,143
  6. Step 6: Final answer
    x = 414,764.35

Related Problems

Find third proportional to 86,071.50 and 133,602.75
Half scale
Find third proportional to 344,286 and 534,411
Double scale
Find third proportional to 172,145 and 267,209
Similar ratio
Find third proportional to 258,214.50 and 400,808.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.