Home / 178,146-385,380

Finding the Third Proportional to 178,146 and 385,380

Calculator

Solution

The third proportional to 178,146 and 385,380 is: 833,685.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,146 : 385,380 = 385,380 : x
  2. Step 2: Convert to fraction form
    178,146/385,380 = 385,380/x
  3. Step 3: Cross multiply
    178,146x = 385,380 × 385,380
  4. Step 4: Simplify right side
    178,146x = 148,517,744,400
  5. Step 5: Solve for x
    x = 148,517,744,400/178,146
  6. Step 6: Final answer
    x = 833,685.54

Related Problems

Find third proportional to 89,073 and 192,690
Half scale
Find third proportional to 356,292 and 770,760
Double scale
Find third proportional to 178,148 and 385,384
Similar ratio
Find third proportional to 267,219 and 578,070
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.