Home / 154,272-312,836

Finding the Third Proportional to 154,272 and 312,836

Calculator

Solution

The third proportional to 154,272 and 312,836 is: 634,375.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,272 : 312,836 = 312,836 : x
  2. Step 2: Convert to fraction form
    154,272/312,836 = 312,836/x
  3. Step 3: Cross multiply
    154,272x = 312,836 × 312,836
  4. Step 4: Simplify right side
    154,272x = 97,866,362,896
  5. Step 5: Solve for x
    x = 97,866,362,896/154,272
  6. Step 6: Final answer
    x = 634,375.41

Related Problems

Find third proportional to 77,136 and 156,418
Half scale
Find third proportional to 308,544 and 625,672
Double scale
Find third proportional to 154,274 and 312,840
Similar ratio
Find third proportional to 231,408 and 469,254
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.