Home / 78,328.50-165,586.50

Finding the Third Proportional to 78,328.50 and 165,586.50

Calculator

Solution

The third proportional to 78,328.50 and 165,586.50 is: 350,049.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,328.50 : 165,586.50 = 165,586.50 : x
  2. Step 2: Convert to fraction form
    78,328.50/165,586.50 = 165,586.50/x
  3. Step 3: Cross multiply
    78,328.50x = 165,586.50 × 165,586.50
  4. Step 4: Simplify right side
    78,328.50x = 27,418,888,982.25
  5. Step 5: Solve for x
    x = 27,418,888,982.25/78,328.50
  6. Step 6: Final answer
    x = 350,049.97

Related Problems

Find third proportional to 39,164.25 and 82,793.25
Half scale
Find third proportional to 156,657 and 331,173
Double scale
Find third proportional to 78,331 and 165,591
Similar ratio
Find third proportional to 117,492.75 and 248,379.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.