Home / 178,490-388,966

Finding the Third Proportional to 178,490 and 388,966

Calculator

Solution

The third proportional to 178,490 and 388,966 is: 847,636.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,490 : 388,966 = 388,966 : x
  2. Step 2: Convert to fraction form
    178,490/388,966 = 388,966/x
  3. Step 3: Cross multiply
    178,490x = 388,966 × 388,966
  4. Step 4: Simplify right side
    178,490x = 151,294,549,156
  5. Step 5: Solve for x
    x = 151,294,549,156/178,490
  6. Step 6: Final answer
    x = 847,636.00

Related Problems

Find third proportional to 89,245 and 194,483
Half scale
Find third proportional to 356,980 and 777,932
Double scale
Find third proportional to 178,492 and 388,970
Similar ratio
Find third proportional to 267,735 and 583,449
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.