Home / 78,272-118,906

Finding the Third Proportional to 78,272 and 118,906

Calculator

Solution

The third proportional to 78,272 and 118,906 is: 180,634.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,272 : 118,906 = 118,906 : x
  2. Step 2: Convert to fraction form
    78,272/118,906 = 118,906/x
  3. Step 3: Cross multiply
    78,272x = 118,906 × 118,906
  4. Step 4: Simplify right side
    78,272x = 14,138,636,836
  5. Step 5: Solve for x
    x = 14,138,636,836/78,272
  6. Step 6: Final answer
    x = 180,634.67

Related Problems

Find third proportional to 39,136 and 59,453
Half scale
Find third proportional to 156,544 and 237,812
Double scale
Find third proportional to 78,274 and 118,909
Similar ratio
Find third proportional to 117,408 and 178,359
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.