Home / 40,312-84,288

Finding the Third Proportional to 40,312 and 84,288

Calculator

Solution

The third proportional to 40,312 and 84,288 is: 176,237.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,312 : 84,288 = 84,288 : x
  2. Step 2: Convert to fraction form
    40,312/84,288 = 84,288/x
  3. Step 3: Cross multiply
    40,312x = 84,288 × 84,288
  4. Step 4: Simplify right side
    40,312x = 7,104,466,944
  5. Step 5: Solve for x
    x = 7,104,466,944/40,312
  6. Step 6: Final answer
    x = 176,237.02

Related Problems

Find third proportional to 20,156 and 42,144
Half scale
Find third proportional to 80,624 and 168,576
Double scale
Find third proportional to 40,314 and 84,292
Similar ratio
Find third proportional to 60,468 and 126,432
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.